Added isNullOrWhitespace to NSString extension.
Fixed SINormB extern, ObjC modernization.
Updated Logging.
Minor cosmetical.
NSThread: Renamed execute methods to dispatch, changed default priority from HIGH to DEFAULT.
Fixed NSDictionary extension.
Added two MKMapView extensions.
Added extension to NSURLConnection.
Fixed some issues with NSThread extension.
Added traverseSubviewsForClass extension to UIView.
Added ARC support utilities, fixed copyright.
Some extra comments regarding arc util.
Added CGInterpolationQuality option to UIImage extension.
Improved isInvisible method in NSString extension. Removed bogus isNullOrWhitespace extension.
Added SILineView widget.
Merge branch 'canvassmate' of github.com:matias-pequeno/sikit