Don't try calling delegate method if it doesn't exist
Remove NSNotifications during indexing for performance reasons
Use UUID instead of UDID for client ID (fixes #60)
Proper fix for UDID
Move pending reference handing to separate thread, and use NSPersistentStore metadata (fixes #62)
Refactor reference management to reflect that relationships are being resolved
When loading object data off the wire, use received bucket attributes  rather than local schema (#64)
Updated OSX project file
Fixed accessing schema members when diffing
Made formatting of some method signatures more consistent
Removed unnecessary copy/release (variable gets copied across block boundaries)
Properly set metadata and release memory
Merge branch 'develop' of ../simperium-ios/ into develop