Fix storyboard segues on iOS < 6.0 (closes #121)
Added comment describing downsides of the current implementation
Selection segue is triggered only after the corresponding index path has been added to the _indexPathsForSelectedItems
fixed #292 enable the allowsSelection property
Merge pull request #300 from darcyliu/master

Fix issue #292
Merge pull request #284 from advantis/master

Fix storyboard segues on iOS < 6.0
Fixes an issue if the grid delegate was set to the grid
formatting
Improve segue calling
Fixed problem with applied LayoutAttributes (fixes #225)
Fix a few typos in README.md
Fix -[PSTCollectionViewCell applyLayoutAttributes:] (hopefully, anyway)
Merge pull request #305 from jlnr/readme-typos

Fix a few typos in README.md
fixed #304 problem to remove section with animation. when remove section with animation, cell in removing section remove from superview then remove section.
Merge pull request #306 from kmy504/master

#304 fixed.
Merge pull request #307 from jlnr/apply-attributes

Fix -[PSTCollectionViewCell applyLayoutAttributes:] (hopefully)
Fixes crash when running a unit test bundle while an app bundle runs.

objc_allocateClassPair returns nil if the class pair already exists.
Calling objc_registerClassPair with a nil argument causes an EXC_BAD_ACCESS.
Merge pull request #311 from sinnerschrader-mobile/master

Fixes a crash when setting up a unit test environment
Fix comparison of different signs
Fix implicit float/double conversion