Version 7.3

Improvements to file updates and queries (fixes #37). Added two new delegate methods to address file update issues. New iOS 7 file querying procedure. Improved 64-bit support by changing all “id”s to “instancetype”s. Finished transition to complete auto-synthesis of properties.
removed xcuserstate
removed - iCloud.xcodeproj/project.xcworkspace/xcshareddata/iCloud.xccheckout
Merge Attempt?
Merge branch 'feature'
Synced with version 7.3 updates