Pick Color And Copy To Pasteboard broken
```
TypeError: obj.chosenColor is not a function. (In 'obj.chosenColor()', 'obj.chosenColor' is undefined)
line: 68
sourceURL: /Users/afc163/Library/Application Support/com.bohemiancoding.sketch3/Plugins/automate-sketch.sketchplugin/Contents/Sketch/Development/Pick_Color_And_Copy_To_Pasteboard.cocoascript
column: 40
stack: /Users/afc163/Library/Application Support/com.bohemiancoding.sketch3/Plugins/automate-sketch.sketchplugin/Contents/Sketch/Development/Pick_Color_And_Copy_To_Pasteboard.cocoascript:68:40
```