Added pinEdges:toSameEdgesOfView: to save calling pinEdge:toEdge:ofView: mutliple times when using the same edge. Reuses the enum for edges.
Changed comments to match others (second method with inset parameter)
Added new methods to readme
Incremented podspec version to 0.0.5
Merge pull request #8 from rhodgkins/master

Added pinEdges:toSameEdgesOfView: