Array.prototype.slice.call -> .slice
Merge pull request #66 from SiPlus/master

Change Array.prototype.slice.call(items) to items.slice()
Add note about converting array-like objects to Array
[in the wild] add General Electric
[whitespace] use single quotes for strings. fixes #68
[events] add events section, pass a hash not a raw value
[events] add period
Use explanation from #71
Merge pull request #73 from airbnb/event-payloads

[events] add events section, pass a hash not a raw value
[resources] add section for further reading, closures. fixes #64
[commas] add section on additional trailing commas. fixes #75