diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..15a15b2
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..87a235e
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/the-example-app-nodejs.iml" filepath="$PROJECT_DIR$/.idea/the-example-app-nodejs.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/the-example-app-nodejs.iml b/.idea/the-example-app-nodejs.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/the-example-app-nodejs.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..396d8e7
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,176 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="7f693907-6d19-4a62-aa98-e7c1d2e159d6" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/package-lock.json" beforeDir="false" afterPath="$PROJECT_DIR$/package-lock.json" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/package.json" beforeDir="false" afterPath="$PROJECT_DIR$/package.json" afterDir="false" />
+    </list>
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/README-TESTING.md">
+          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+            <state split_layout="SPLIT">
+              <first_editor relative-caret-position="380">
+                <caret line="26" column="21" selection-start-line="26" selection-start-column="21" selection-end-line="26" selection-end-column="21" />
+              </first_editor>
+              <second_editor />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/package.json">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="300">
+              <caret line="20" column="34" lean-forward="true" selection-start-line="20" selection-start-column="34" selection-end-line="20" selection-end-column="34" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/README-TESTING.md" />
+        <option value="$PROJECT_DIR$/package.json" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6" fullScreen="true">
+    <option name="y" value="23" />
+    <option name="width" value="1680" />
+    <option name="height" value="1027" />
+  </component>
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="PackagesPane" />
+      <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="the-example-app-nodejs" type="b2602c69:ProjectViewProjectNode" />
+              <item name="the-example-app-nodejs" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="settings.editor.selected.configurable" value="configurable.group.appearance" />
+  </component>
+  <component name="RecentsManager">
+    <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$" />
+      <recent name="$PROJECT_DIR$/test" />
+    </key>
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="7f693907-6d19-4a62-aa98-e7c1d2e159d6" name="Default Changelist" comment="" />
+      <created>1556820779270</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1556820779270</updated>
+    </task>
+    <servers />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="0" width="1680" height="1050" extended-state="6" />
+    <editor active="true" />
+    <layout>
+      <window_info id="Image Layers" />
+      <window_info id="Designer" />
+      <window_info id="UI Designer" />
+      <window_info id="Capture Tool" />
+      <window_info id="Favorites" side_tool="true" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24969475" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info anchor="bottom" id="Version Control" />
+      <window_info anchor="bottom" id="Terminal" visible="true" weight="0.32959184" />
+      <window_info anchor="bottom" id="Event Log" side_tool="true" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="right" id="Palette" />
+      <window_info anchor="right" id="Theme Preview" />
+      <window_info anchor="right" id="Capture Analysis" />
+      <window_info anchor="right" id="Palette&#9;" />
+      <window_info anchor="right" id="Maven" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+    </layout>
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/README-TESTING.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="380">
+            <caret line="26" column="21" selection-start-line="26" selection-start-column="21" selection-end-line="26" selection-end-column="21" />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/package.json">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="300">
+          <caret line="20" column="34" lean-forward="true" selection-start-line="20" selection-start-column="34" selection-end-line="20" selection-end-column="34" />
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/README-TESTING.md b/README-TESTING.md
new file mode 100644
index 0000000..38cc45e
--- /dev/null
+++ b/README-TESTING.md
@@ -0,0 +1,201 @@
+
+
+# Getting started
+
+
+# Installation
+
+## Installing cucumber
+
+Reference:[Cucumber](https://cucumber.io/docs)
+
+
+```shell
+# NPM
+npm install --save-dev cucumber
+```
+
+[Apickli - REST API integration testing framework with cucumber.js](https://github.com/apickli/apickli)
+
+
+## Installing cypress
+
+Install locally executing:
+
+``$ npm install cypress --save-dev``
+
+Add in package.json, npm scripts to execute Cypress commands:
+
+```
+{
+  "scripts": {
+    "cypress:open": "cypress open"
+  }
+}
+```
+
+Create a file named **cypress.json**:
+
+```
+{
+  "baseUrl": "http://localhost:3007",
+  "fixturesFolder": false,
+  "integrationFolder": "./test/e2e/specs",
+  "supportFile": false
+}
+
+```
+
+Here we're changing the default path used by cypress where tests are defined (integration by default).
+
+
+https://medium.com/@itortv/how-to-integrate-cypress-and-cucumber-in-your-development-flow-in-just-a-few-weeks-96a46ac9165a
+
+
+# Tutorial
+
+## Writing tests of API services
+
+test/
+    ---- features/
+    --------- step_definitions/
+    -------------- apickli-gherkin.js
+    --------- support/
+    -------------- init.js
+    --------- myapi.feature
+    ---- package.json
+    
+
+## Writing tests
+
+
+We are going to create a test file named 'home.spec.js' to go to the home page.
+
+```
+|----src
+    | |----test
+    | | |----e2e
+    | | | |----specs
+    | | | | |----home.spec.js
+```
+
+And with the content:
+
+```
+describe('Go home page', function() {
+  it('Does not do much!', function() {
+    expect(true).to.equal(true)
+  })
+})
+```
+
+## Executing tests
+
+1. Open a terminal and execute:
+
+    ``$ npm run cypress:open``
+
+    You'll see how the app is opened and one screen to help you to get started:
+
+    ![help started cypress](img/cypress-start.png)
+
+    Press *OK, got it!* to continue.
+    
+1. Below **INTEGRATION TESTS** you can see the home.spec.js created
+1. Click on line **home.spec.js**
+1. You'll see how the test is executed and the result
+
+    ![cypress first execution](img/cypress-first-execution.png)
+
+
+# Exercises
+
+## Exercise 1: Go to home page and check title
+
+1. Open app
+
+    ``$ npm run start:dev``
+
+1. Edit the test 'home.spec.js' and change it to:
+
+    ```
+    describe('Go home page', function() {
+      it('Visits home page', function() {
+        cy.visit('http://localhost:3000')
+      })
+    })
+    ```
+
+    As you write or change file look at window of cypress (dynamically it changes and re-execute the tests!).
+
+    You'll see how we reach the home page:
+
+   ![cypress-example-home-1](img/cypress-example-home-1.png)
+
+1. Now we're going to check **Hello ContentFul** text is shown in page
+
+    ```
+    describe('Home page test', function() {
+        it('finds title', function() {
+          cy.visit('http://localhost:3000')
+          cy.contains('Hello Contentful')
+        })
+    })
+    ```
+
+
+## Exercise 2: Go to home page and then click on courses tab
+
+Sometimes you need to access the DOM of web page, and it's not easy (except with Cypress!).
+
+1. Click on open selector button (at left of url location)
+1. Click on COURSES tab
+   
+   You'll see a complete path to get to the element using Cypress
+   
+    ![cypress-open-selector-select-element](img/cypress-open-selector-select-element.png)
+
+1. Press button of copy to clipboard and paste at the end of test
+1. Add click action:
+   
+   ```
+    describe('Home page test', function() {
+            it('finds title', function() {
+              cy.visit('http://localhost:3000')
+              cy.contains('Hello Contentful')
+              cy.get('.header__navigation > ul > :nth-child(2) > a').click()
+            })
+    })
+   ```
+   
+   ![cypress-open-selector-select-element-click](img/cypress-open-selector-select-element-click.png)
+
+
+## Exercise 3: Add an assertion to verify we've two courses available
+
+```
+describe('Home page test', function() {
+        it('finds title', function() {
+          cy.visit('http://localhost:3000')
+          cy.contains('Hello Contentful')
+          cy.get('.header__navigation > ul > :nth-child(2) > a').click()
+          cy.get('.courses > h1').should('have.text', 'All courses (2)')
+        })
+})
+```
+
+Or better if we can count how many cards are:
+
+```
+describe('Home page test', function() {
+        it('finds title', function() {
+          cy.visit('http://localhost:3000')
+          cy.contains('Hello Contentful')
+          cy.get('.header__navigation > ul > :nth-child(2) > a').click()
+          cy.get('.course-card').its('length').should('eq', 2)
+        })
+})
+```
+
+ ![cypress-example-courses-length](img/cypress-example-courses-length.png)
+
diff --git a/package-lock.json b/package-lock.json
index 75132c2..e8b96dd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,9 +19,9 @@
       "integrity": "sha512-mOhhTrzieV6VO7odgzFGFapiwRK0ei8RZRhfzHhb6cpX3QM8XXuCLXWjN8qBB7JReDdUR80V3LFfFrGUYevhNg==",
       "dev": true,
       "requires": {
-        "chalk": "2.3.1",
-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.0"
       }
     },
     "@contentful/axios": {
@@ -29,8 +29,106 @@
       "resolved": "https://registry.npmjs.org/@contentful/axios/-/axios-0.18.0.tgz",
       "integrity": "sha512-4r4Ww1IJlmRolKgovLTTmdS6CsdvXYVxgXRFwWSh1x36T/0Wg9kTwdaVaApZXcv1DfYyw9RSNdxIGSwTP2/Lag==",
       "requires": {
-        "follow-redirects": "1.4.1",
-        "is-buffer": "1.1.6"
+        "follow-redirects": "^1.2.5",
+        "is-buffer": "^1.1.5"
+      }
+    },
+    "@cypress/listr-verbose-renderer": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/@cypress/listr-verbose-renderer/-/listr-verbose-renderer-0.4.1.tgz",
+      "integrity": "sha1-p3SS9LEdzHxEajSz4ochr9M8ZCo=",
+      "dev": true,
+      "requires": {
+        "chalk": "^1.1.3",
+        "cli-cursor": "^1.0.2",
+        "date-fns": "^1.27.2",
+        "figures": "^1.7.0"
+      },
+      "dependencies": {
+        "chalk": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^2.2.1",
+            "escape-string-regexp": "^1.0.2",
+            "has-ansi": "^2.0.0",
+            "strip-ansi": "^3.0.0",
+            "supports-color": "^2.0.0"
+          }
+        },
+        "cli-cursor": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-1.0.2.tgz",
+          "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
+          "dev": true,
+          "requires": {
+            "restore-cursor": "^1.0.1"
+          }
+        },
+        "figures": {
+          "version": "1.7.0",
+          "resolved": "https://registry.npmjs.org/figures/-/figures-1.7.0.tgz",
+          "integrity": "sha1-y+Hjr/zxzUS4DK3+0o3Hk6lwHS4=",
+          "dev": true,
+          "requires": {
+            "escape-string-regexp": "^1.0.5",
+            "object-assign": "^4.1.0"
+          }
+        },
+        "onetime": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
+          "dev": true
+        },
+        "restore-cursor": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-1.0.1.tgz",
+          "integrity": "sha1-NGYfRohjJ/7SmRR5FSJS35LapUE=",
+          "dev": true,
+          "requires": {
+            "exit-hook": "^1.0.0",
+            "onetime": "^1.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^2.0.0"
+          }
+        }
+      }
+    },
+    "@cypress/xvfb": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@cypress/xvfb/-/xvfb-1.2.4.tgz",
+      "integrity": "sha512-skbBzPggOVYCbnGgV+0dmBdW/s77ZkAOXIC1knS8NagwDjBrNC1LuXtQJeiN6l+m7lzmHtaoUw/ctJKdqkG57Q==",
+      "dev": true,
+      "requires": {
+        "debug": "^3.1.0",
+        "lodash.once": "^4.1.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
+        }
       }
     },
     "@types/babel-types": {
@@ -43,7 +141,7 @@
       "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.2.tgz",
       "integrity": "sha512-+Jty46mPaWe1VAyZbfvgJM4BAdklLWxrT5tc/RjvCgLrtk6gzRY6AOnoWFv4p6hVxhJshDdr2hGVn56alBp97Q==",
       "requires": {
-        "@types/babel-types": "7.0.0"
+        "@types/babel-types": "*"
       }
     },
     "@types/node": {
@@ -69,7 +167,7 @@
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
       "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=",
       "requires": {
-        "mime-types": "2.1.18",
+        "mime-types": "~2.1.16",
         "negotiator": "0.6.1"
       }
     },
@@ -83,7 +181,7 @@
       "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
       "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
       "requires": {
-        "acorn": "4.0.13"
+        "acorn": "^4.0.4"
       },
       "dependencies": {
         "acorn": {
@@ -99,7 +197,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "3.3.0"
+        "acorn": "^3.0.4"
       }
     },
     "ajv": {
@@ -108,10 +206,10 @@
       "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
       "dev": true,
       "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.0.0",
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-        "statuses": "1.3.1",
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-        "graceful-fs": "4.1.11",
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       "dev": true,
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@@ -2602,6 +3139,17 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-4.0.1.tgz",
+      "integrity": "sha1-f8DGyJV/mD9X8waiTlud3Y0N2IA=",
+      "dev": true,
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+        "jsonfile": "^3.0.0",
+        "universalify": "^0.1.0"
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@@ -2631,8 +3179,8 @@
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@@ -2652,8 +3200,8 @@
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@@ -2697,7 +3245,7 @@
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@@ -2705,7 +3253,7 @@
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@@ -2713,7 +3261,7 @@
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@@ -2721,7 +3269,7 @@
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@@ -2752,7 +3300,7 @@
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@@ -2775,7 +3323,7 @@
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@@ -2833,7 +3381,7 @@
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@@ -2874,10 +3422,10 @@
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-            "mkdirp": "0.5.1",
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@@ -2886,9 +3434,9 @@
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-            "inherits": "2.0.3",
-            "minimatch": "3.0.4"
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@@ -2897,14 +3445,14 @@
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-            "strip-ansi": "3.0.1",
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+            "aproba": "^1.0.3",
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@@ -2913,7 +3461,7 @@
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@@ -2929,12 +3477,12 @@
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-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
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@@ -2954,8 +3502,8 @@
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           "requires": {
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-            "har-schema": "1.0.5"
+            "ajv": "^4.9.1",
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@@ -2969,10 +3517,10 @@
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-            "cryptiles": "2.0.5",
-            "hoek": "2.16.3",
-            "sntp": "1.0.9"
+            "boom": "2.x.x",
+            "cryptiles": "2.x.x",
+            "hoek": "2.x.x",
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@@ -2986,9 +3534,9 @@
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-            "jsprim": "1.4.0",
-            "sshpk": "1.13.0"
+            "assert-plus": "^0.2.0",
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@@ -2996,8 +3544,8 @@
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-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
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@@ -3016,7 +3564,7 @@
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@@ -3042,7 +3590,7 @@
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@@ -3063,7 +3611,7 @@
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@@ -3108,7 +3656,7 @@
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@@ -3116,7 +3664,7 @@
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+            "brace-expansion": "^1.1.7"
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@@ -3144,17 +3692,17 @@
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           "optional": true,
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-            "detect-libc": "1.0.2",
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-            "mkdirp": "0.5.1",
-            "nopt": "4.0.1",
-            "npmlog": "4.1.0",
-            "rc": "1.2.1",
+            "mkdirp": "^0.5.1",
+            "nopt": "^4.0.1",
+            "npmlog": "^4.0.2",
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-            "semver": "5.3.0",
-            "tar": "2.2.1",
-            "tar-pack": "3.4.0"
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^2.2.1",
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@@ -3163,8 +3711,8 @@
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-            "osenv": "0.1.4"
+            "abbrev": "1",
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@@ -3173,10 +3721,10 @@
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-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
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@@ -3201,7 +3749,7 @@
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+            "wrappy": "1"
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@@ -3222,8 +3770,8 @@
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-            "os-tmpdir": "1.0.2"
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@@ -3260,10 +3808,10 @@
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+            "deep-extend": "~0.4.0",
+            "ini": "~1.3.0",
+            "minimist": "^1.2.0",
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@@ -3279,13 +3827,13 @@
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@@ -3294,28 +3842,28 @@
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-            "stringstream": "0.0.5",
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-            "tunnel-agent": "0.6.0",
-            "uuid": "3.0.1"
+            "aws-sign2": "~0.6.0",
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+            "caseless": "~0.12.0",
+            "combined-stream": "~1.0.5",
+            "extend": "~3.0.0",
+            "forever-agent": "~0.6.1",
+            "form-data": "~2.1.1",
+            "har-validator": "~4.2.1",
+            "hawk": "~3.1.3",
+            "http-signature": "~1.1.0",
+            "is-typedarray": "~1.0.0",
+            "isstream": "~0.1.2",
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+            "mime-types": "~2.1.7",
+            "oauth-sign": "~0.8.1",
+            "performance-now": "^0.2.0",
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+            "stringstream": "~0.0.4",
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@@ -3323,7 +3871,7 @@
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@@ -3354,7 +3902,7 @@
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+            "hoek": "2.x.x"
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@@ -3363,15 +3911,15 @@
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-            "jodid25519": "1.0.2",
-            "jsbn": "0.1.1",
-            "tweetnacl": "0.14.5"
+            "asn1": "~0.2.3",
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+            "getpass": "^0.1.1",
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@@ -3387,9 +3935,9 @@
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-            "is-fullwidth-code-point": "1.0.0",
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@@ -3397,7 +3945,7 @@
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@@ -3411,7 +3959,7 @@
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@@ -3425,9 +3973,9 @@
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-            "fstream": "1.0.11",
-            "inherits": "2.0.3"
+            "block-stream": "*",
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@@ -3436,14 +3984,14 @@
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-            "rimraf": "2.6.1",
-            "tar": "2.2.1",
-            "uid-number": "0.0.6"
+            "debug": "^2.2.0",
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+            "once": "^1.3.3",
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+            "rimraf": "^2.5.1",
+            "tar": "^2.2.1",
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@@ -3452,7 +4000,7 @@
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@@ -3461,7 +4009,7 @@
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@@ -3502,7 +4050,7 @@
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           "optional": true,
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@@ -3540,13 +4088,33 @@
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       "dev": true
     },
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+      "resolved": "https://registry.npmjs.org/getos/-/getos-3.1.0.tgz",
+      "integrity": "sha512-i9vrxtDu5DlLVFcrbqUqGWYlZN/zZ4pGMICCAcZoYsX3JA54nYp8r5EThw5K+m2q3wszkx4Th746JstspB0H4Q==",
+      "dev": true,
+      "requires": {
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+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/async/-/async-2.4.0.tgz",
+          "integrity": "sha1-SZAgDxjqW4N8LMT4wDGmmFw4VhE=",
+          "dev": true,
+          "requires": {
+            "lodash": "^4.14.0"
+          }
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       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
       "dev": true,
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-        "assert-plus": "1.0.0"
+        "assert-plus": "^1.0.0"
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@@ -3555,12 +4123,12 @@
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-        "inherits": "2.0.3",
-        "minimatch": "3.0.4",
-        "once": "1.4.0",
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+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
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@@ -3569,8 +4137,8 @@
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       "dev": true,
       "requires": {
-        "glob-parent": "2.0.0",
-        "is-glob": "2.0.1"
+        "glob-parent": "^2.0.0",
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@@ -3579,7 +4147,7 @@
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       "dev": true,
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@@ -3588,7 +4156,7 @@
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       "dev": true,
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-        "ini": "1.3.5"
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@@ -3603,12 +4171,12 @@
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-        "glob": "7.1.2",
-        "object-assign": "4.1.1",
-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1"
+        "array-union": "^1.0.1",
+        "arrify": "^1.0.0",
+        "glob": "^7.0.3",
+        "object-assign": "^4.0.1",
+        "pify": "^2.0.0",
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@@ -3617,17 +4185,17 @@
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-        "timed-out": "4.0.1",
-        "unzip-response": "2.0.1",
-        "url-parse-lax": "1.0.0"
+        "create-error-class": "^3.0.0",
+        "duplexer3": "^0.1.4",
+        "get-stream": "^3.0.0",
+        "is-redirect": "^1.0.0",
+        "is-retry-allowed": "^1.0.0",
+        "is-stream": "^1.0.0",
+        "lowercase-keys": "^1.0.0",
+        "safe-buffer": "^5.0.1",
+        "timed-out": "^4.0.0",
+        "unzip-response": "^2.0.1",
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@@ -3653,10 +4221,10 @@
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-        "optimist": "0.6.1",
-        "source-map": "0.4.4",
-        "uglify-js": "2.8.29"
+        "async": "^1.4.0",
+        "optimist": "^0.6.1",
+        "source-map": "^0.4.4",
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@@ -3679,8 +4247,8 @@
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       "requires": {
-        "ajv": "5.5.2",
-        "har-schema": "2.0.0"
+        "ajv": "^5.1.0",
+        "har-schema": "^2.0.0"
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@@ -3688,7 +4256,7 @@
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       "requires": {
-        "function-bind": "1.1.1"
+        "function-bind": "^1.0.2"
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@@ -3697,7 +4265,7 @@
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       "dev": true,
       "requires": {
-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
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@@ -3712,9 +4280,9 @@
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       "dev": true,
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-        "get-value": "2.0.6",
-        "has-values": "1.0.0",
-        "isobject": "3.0.1"
+        "get-value": "^2.0.6",
+        "has-values": "^1.0.0",
+        "isobject": "^3.0.0"
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@@ -3731,8 +4299,8 @@
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-        "is-number": "3.0.0",
-        "kind-of": "4.0.0"
+        "is-number": "^3.0.0",
+        "kind-of": "^4.0.0"
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@@ -3741,7 +4309,7 @@
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           "dev": true,
           "requires": {
-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
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@@ -3750,7 +4318,7 @@
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               "dev": true,
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+                "is-buffer": "^1.1.5"
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@@ -3761,7 +4329,7 @@
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@@ -3772,10 +4340,10 @@
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-        "boom": "4.3.1",
-        "cryptiles": "3.1.2",
-        "hoek": "4.2.1",
-        "sntp": "2.1.0"
+        "boom": "4.x.x",
+        "cryptiles": "3.x.x",
+        "hoek": "4.x.x",
+        "sntp": "2.x.x"
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@@ -3826,8 +4394,8 @@
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       "dev": true,
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-        "os-homedir": "1.0.2",
-        "os-tmpdir": "1.0.2"
+        "os-homedir": "^1.0.0",
+        "os-tmpdir": "^1.0.1"
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@@ -3852,7 +4420,7 @@
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       "dev": true,
       "requires": {
-        "whatwg-encoding": "1.0.3"
+        "whatwg-encoding": "^1.0.1"
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@@ -3861,12 +4429,12 @@
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-        "domutils": "1.5.1",
-        "entities": "1.1.1",
-        "inherits": "2.0.3",
-        "readable-stream": "2.3.4"
+        "domelementtype": "^1.3.0",
+        "domhandler": "^2.3.0",
+        "domutils": "^1.5.1",
+        "entities": "^1.1.1",
+        "inherits": "^2.0.1",
+        "readable-stream": "^2.0.2"
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@@ -3877,7 +4445,7 @@
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         "setprototypeof": "1.0.3",
-        "statuses": "1.4.0"
+        "statuses": ">= 1.3.1 < 2"
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@@ -3893,9 +4461,9 @@
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-        "jsprim": "1.4.1",
-        "sshpk": "1.13.1"
+        "assert-plus": "^1.0.0",
+        "jsprim": "^1.2.2",
+        "sshpk": "^1.7.0"
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           "dev": true,
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-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
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@@ -7920,7 +8966,7 @@
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
               "requires": {
-                "is-buffer": "1.1.6"
+                "is-buffer": "^1.1.5"
               }
             }
           }
@@ -7931,9 +8977,9 @@
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           "dev": true,
           "requires": {
-            "is-accessor-descriptor": "0.1.6",
-            "is-data-descriptor": "0.1.4",
-            "kind-of": "5.1.0"
+            "is-accessor-descriptor": "^0.1.6",
+            "is-data-descriptor": "^0.1.4",
+            "kind-of": "^5.0.0"
           }
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         "isobject": {
@@ -7954,7 +9000,7 @@
           "integrity": "sha1-uRkKT5EzVGlIQIWfio9whNiCImQ=",
           "dev": true,
           "requires": {
-            "set-getter": "0.1.0"
+            "set-getter": "^0.1.0"
           }
         }
       }
@@ -7971,8 +9017,8 @@
       "integrity": "sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.2",
-        "object.getownpropertydescriptors": "2.0.3"
+        "define-properties": "^1.1.2",
+        "object.getownpropertydescriptors": "^2.0.3"
       }
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     "utils-merge": {
@@ -7992,8 +9038,8 @@
       "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
       "dev": true,
       "requires": {
-        "spdx-correct": "1.0.2",
-        "spdx-expression-parse": "1.0.4"
+        "spdx-correct": "~1.0.0",
+        "spdx-expression-parse": "~1.0.0"
       }
     },
     "vary": {
@@ -8007,9 +9053,9 @@
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "dev": true,
       "requires": {
-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "1.3.0"
+        "extsprintf": "^1.2.0"
       }
     },
     "void-elements": {
@@ -8023,7 +9069,7 @@
       "integrity": "sha1-gqwr/2PZUOqeMYmlimViX+3xkEU=",
       "dev": true,
       "requires": {
-        "browser-process-hrtime": "0.1.2"
+        "browser-process-hrtime": "^0.1.2"
       }
     },
     "walker": {
@@ -8032,7 +9078,7 @@
       "integrity": "sha1-L3+bj9ENZ3JisYqITijRlhjgKPs=",
       "dev": true,
       "requires": {
-        "makeerror": "1.0.11"
+        "makeerror": "1.0.x"
       }
     },
     "watch": {
@@ -8041,8 +9087,8 @@
       "integrity": "sha1-KAlUdsbffJDJYxOJkMClQj60uYY=",
       "dev": true,
       "requires": {
-        "exec-sh": "0.2.1",
-        "minimist": "1.2.0"
+        "exec-sh": "^0.2.0",
+        "minimist": "^1.2.0"
       },
       "dependencies": {
         "minimist": {
@@ -8074,9 +9120,9 @@
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       "dev": true,
       "requires": {
-        "lodash.sortby": "4.7.0",
-        "tr46": "1.0.1",
-        "webidl-conversions": "4.0.2"
+        "lodash.sortby": "^4.7.0",
+        "tr46": "^1.0.0",
+        "webidl-conversions": "^4.0.1"
       }
     },
     "which": {
@@ -8084,7 +9130,7 @@
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
       "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -8099,7 +9145,7 @@
       "integrity": "sha1-AUKk6KJD+IgsAjOqDgKBqnYVInM=",
       "dev": true,
       "requires": {
-        "string-width": "2.1.1"
+        "string-width": "^2.1.1"
       }
     },
     "window-size": {
@@ -8112,8 +9158,8 @@
       "resolved": "https://registry.npmjs.org/with/-/with-5.1.1.tgz",
       "integrity": "sha1-+k2qktrzLE6pTtRTyB8EaGtXXf4=",
       "requires": {
-        "acorn": "3.3.0",
-        "acorn-globals": "3.1.0"
+        "acorn": "^3.1.0",
+        "acorn-globals": "^3.0.0"
       }
     },
     "wordwrap": {
@@ -8127,8 +9173,8 @@
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       },
       "dependencies": {
         "is-fullwidth-code-point": {
@@ -8137,7 +9183,7 @@
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "string-width": {
@@ -8146,9 +9192,9 @@
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         },
         "strip-ansi": {
@@ -8157,7 +9203,7 @@
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         }
       }
@@ -8174,7 +9220,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
       }
     },
     "write-file-atomic": {
@@ -8183,9 +9229,9 @@
       "integrity": "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "imurmurhash": "0.1.4",
-        "signal-exit": "3.0.2"
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
       }
     },
     "ws": {
@@ -8194,8 +9240,8 @@
       "integrity": "sha512-ZGh/8kF9rrRNffkLFV4AzhvooEclrOH0xaugmqGsIfFgOE/pIz4fMc4Ef+5HSQqTEug2S9JZIWDR47duDSLfaA==",
       "dev": true,
       "requires": {
-        "async-limiter": "1.0.0",
-        "safe-buffer": "5.1.1"
+        "async-limiter": "~1.0.0",
+        "safe-buffer": "~5.1.0"
       }
     },
     "x-xss-protection": {
@@ -8232,18 +9278,18 @@
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       "dev": true,
       "requires": {
-        "cliui": "4.0.0",
-        "decamelize": "1.2.0",
-        "find-up": "2.1.0",
-        "get-caller-file": "1.0.2",
-        "os-locale": "2.1.0",
-        "require-directory": "2.1.1",
-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "2.1.1",
-        "which-module": "2.0.0",
-        "y18n": "3.2.1",
-        "yargs-parser": "9.0.2"
+        "cliui": "^4.0.0",
+        "decamelize": "^1.1.1",
+        "find-up": "^2.1.0",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^2.0.0",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^2.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^9.0.2"
       },
       "dependencies": {
         "camelcase": {
@@ -8258,9 +9304,9 @@
           "integrity": "sha512-nY3W5Gu2racvdDk//ELReY+dHjb9PlIcVDFXP72nVIhq2Gy3LuVXYwJoPVudwQnv1shtohpgkdCKT2YaKY0CKw==",
           "dev": true,
           "requires": {
-            "string-width": "2.1.1",
-            "strip-ansi": "4.0.0",
-            "wrap-ansi": "2.1.0"
+            "string-width": "^2.1.1",
+            "strip-ansi": "^4.0.0",
+            "wrap-ansi": "^2.0.0"
           }
         },
         "find-up": {
@@ -8269,7 +9315,7 @@
           "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
           "dev": true,
           "requires": {
-            "locate-path": "2.0.0"
+            "locate-path": "^2.0.0"
           }
         },
         "yargs-parser": {
@@ -8278,7 +9324,7 @@
           "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
           "dev": true,
           "requires": {
-            "camelcase": "4.1.0"
+            "camelcase": "^4.1.0"
           }
         }
       }
@@ -8289,7 +9335,7 @@
       "integrity": "sha512-yP+6QqN8BmrgW2ggLtTbdrOyBNSI7zBa4IykmiV5R1wl1JWNxQvWhMfMdmzIYtKU7oP3OOInY/tl2ov3BDjnJQ==",
       "dev": true,
       "requires": {
-        "camelcase": "4.1.0"
+        "camelcase": "^4.1.0"
       },
       "dependencies": {
         "camelcase": {
@@ -8299,6 +9345,27 @@
           "dev": true
         }
       }
+    },
+    "yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
+      "dev": true,
+      "requires": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      },
+      "dependencies": {
+        "fd-slicer": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
+          "integrity": "sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=",
+          "dev": true,
+          "requires": {
+            "pend": "~1.2.0"
+          }
+        }
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 52be667..809edef 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,8 @@
     "test:integration": "jest test/integration",
     "test:integration:watch": "jest test/integration --watch",
     "test:unit": "jest test/unit",
-    "test:unit:watch": "jest test/unit --watch"
+    "test:unit:watch": "jest test/unit --watch",
+    "cypress:open": "cypress open"
   },
   "engines": {
     "node": ">=8.9.3"
@@ -38,6 +39,7 @@
   "devDependencies": {
     "cheerio": "^1.0.0-rc.2",
     "cookie": "^0.3.1",
+    "cypress": "^3.2.0",
     "eslint": "^4.18.1",
     "eslint-config-standard": "^11.0.0",
     "eslint-plugin-import": "^2.8.0",