Failed to load the language-sketchplugin package

[Enter steps to reproduce below:]
1. ...
2. ...

**Atom Version**: 1.1.0
**System**: Mac OS X 10.10.5
**Thrown From**: [language-sketchplugin](https://github.com/daneden/language-sketchplugin) package, v0.3.0
### Stack Trace

Failed to load the language-sketchplugin package

```
At Cannot read property 'prototype' of undefined

TypeError: Cannot read property 'prototype' of undefined
at __extends (/Users/ashrafali/.atom/packages/language-sketchplugin/lib/language-sketchplugin-view.coffee:1:1)
at /Users/ashrafali/.atom/packages/language-sketchplugin/lib/language-sketchplugin-view.coffee:5:3
at Object. (/Users/ashrafali/.atom/packages/language-sketchplugin/lib/language-sketchplugin-view.coffee:52:5)
at Object. (/Users/ashrafali/.atom/packages/language-sketchplugin/lib/language-sketchplugin-view.coffee:1:1)
at Module._compile (module.js:428:26)
at Object.defineProperty.value [as .coffee] (/Applications/Atom.app/Contents/Resources/app.asar/src/compile-cache.js:169:21)
at Module.load (module.js:353:32)
at Function.Module._load (module.js:308:12)
at Module.require (module.js:363:17)
at require (module.js:382:17)
at Object. (/Users/ashrafali/.atom/packages/language-sketchplugin/lib/language-sketchplugin.coffee:1:28)
at Object. (/Users/ashrafali/.atom/packages/language-sketchplugin/lib/language-sketchplugin.coffee:1:1)
at Module._compile (module.js:428:26)
at Object.defineProperty.value [as .coffee] (/Applications/Atom.app/Contents/Resources/app.asar/src/compile-cache.js:169:21)
at Module.load (module.js:353:32)
at Function.Module._load (module.js:308:12)
at Module.require (module.js:363:17)
at require (module.js:382:17)
at Package.module.exports.Package.requireMainModule (/Applications/Atom.app/Contents/Resources/app.asar/src/package.js:725:34)
at /Applications/Atom.app/Contents/Resources/app.asar/src/package.js:176:28
at Package.module.exports.Package.measure (/Applications/Atom.app/Contents/Resources/app.asar/src/package.js:153:15)
at Package.module.exports.Package.load (/Applications/Atom.app/Contents/Resources/app.asar/src/package.js:167:12)
at PackageManager.module.exports.PackageManager.loadPackage (/Applications/Atom.app/Contents/Resources/app.asar/src/package-manager.js:396:14)
at PackageManager.module.exports.PackageManager.activatePackage (/Applications/Atom.app/Contents/Resources/app.asar/src/package-manager.js:473:30)
at /Applications/Atom.app/Contents/Resources/app.asar/node_modules/settings-view/lib/package-manager.js:444:29
at exit (/Applications/Atom.app/Contents/Resources/app.asar/node_modules/settings-view/lib/package-manager.js:73:16)
at triggerExitCallback (/Applications/Atom.app/Contents/Resources/app.asar/src/buffered-process.js:213:47)
at /Applications/Atom.app/Contents/Resources/app.asar/src/buffered-process.js:227:18
at Socket. (/Applications/Atom.app/Contents/Resources/app.asar/src/buffered-process.js:98:18)
at emitOne (events.js:82:20)
at Socket.emit (events.js:169:7)
at Pipe._onclose (net.js:467:12)

```
### Commands

```
-2:05.7.0 grammar-selector:show (atom-text-editor.editor)
3x -2:02.0 core:move-down (atom-text-editor.editor.mini.is-focused)
-1:58 core:confirm (atom-text-editor.editor.mini.is-focused)
-0:48.4.0 core:paste (atom-text-editor.editor.mini.is-focused)
-0:47.1.0 core:confirm (atom-text-editor.editor.mini.is-focused)
-0:29.9.0 core:backspace (atom-text-editor.editor.mini.is-focused)
12x -0:29.4.0 core:move-right (atom-text-editor.editor.mini.is-focused)
6x -0:26.7.0 core:backspace (atom-text-editor.editor.mini.is-focused)
-0:25.2.0 core:confirm (atom-text-editor.editor.mini.is-focused)
```
### Config

``` json
{
"core": {
"themes": [
"nucleus-dark-ui",
"monokai"
],
"disabledPackages": [
"minimap",
"seti-icons",
"close-on-left",
"auto-indent",
"indent-guide-improved",
"multi-cursor",
"linter-ruby",
"ruby-debugger",
"linter-phpcs",
"tree-view",
"linter-phpmd"
]
}
}
```
### Installed Packages

``` coffee
# User
Sublime-Style-Column-Selection, v1.3.0
aligner, v0.17.1
aligner-css, v1.2.0
aligner-php, v1.0.0
aligner-ruby, v1.4.0
aligner-scss, v1.1.0
angularjs, v0.3.3
atom-autocomplete-php, v0.18.1
atom-commander, v0.5.0
atom-html-preview, v0.1.13
auto-detect-indentation, v0.4.2
autocomplete-php, v0.3.7
autocomplete-ruby, v0.1.0
color-picker, v2.0.13
cucumber, v0.5.0
editorconfig, v1.2.2
file-icons, v1.6.11
git-log, v0.4.1
hashrocket, v0.4.8
highlight-selected, v0.10.1
imdone-atom, v1.1.53
language-blade, v0.16.0
language-gherkin, v1.0.3
language-sketchplugin, v0.3.0
laravel, v0.7.0
linter, v1.10.0
linter-clang, v3.3.0
linter-csslint, v1.1.0
linter-htmlhint, v0.2.1
linter-js-yaml, v1.2.0
linter-jshint, v1.2.1
linter-less, v2.2.0
linter-scss-lint, v2.4.0
linter-tidy, v1.0.1
mac-fix-path, v0.0.0
markdown-table-formatter, v2.5.4
monokai, v0.18.0
nucleus-dark-ui, v0.6.8
php-cs-fixer, v2.5.1
php-debug, v0.1.3
project-manager, v2.6.5
react, v0.12.10
sync-settings, v0.6.0
tree-view-breadcrumb, v0.8.0
wordpress-api, v1.2.1

# Dev
No dev packages
```