Merge pull request #319 from alexanderedge/master

Fix assertion when deleting the last section.
Use dot notation for idempotent methods.
The runtime class switcher now checks for the class size and tries to fix situations where the ivar size of the new superclass is different (e.g. potential future iOS updates)
We can ignore cases where the PST class is larger than the UI-class.
fixed number of items before section
Merge pull request #329 from retendo/master

Fixed numberOfItemsBeforeSection:
Fix syntax error
Merge pull request #332 from Cykey/master

Fix a syntax error
formatting
Add some hacks to fix compatibility issues with iOS7 - this doesn't affect you if you use PSTCollectionView, but PSUICollectionView now works again
Don't override dict
Use modern syntax
Fixes issue with class generation
Fixed crash while moving items from a section different to 0, tested and working.
Merge pull request #338 from camitox/master

Crash while moving Cells - Tested on iOS 5.1
Prevent more than one touch interfering with the view