Update reference to nsimage to uiimage

There is no method named nsimage in the nsdata module.
Merge pull request #112 from StevenNunez/patch-1

Update reference to nsimage to uiimage
fix readme code error in Events > UIControl
Merge pull request #114 from chareice/fix_readme

fix readme code error in Events > UIControl
Added 'slide_from' method, to bring views on screen
adding for consistency; if you already have an NSURL, this will return it
version bump
version bump - readme fixes