0.3

• Drops support to Objc
• Support to Cocoapods and Swift Generics

Adding support to retrieve the NSPredicate generated by the query

It's now possible to return just the NSPredicate generated by the query and an overload function that does not receive the NSManagedObjectContext as a parameter

Updating to Swift 1.2

Merge pull request #1 from lourenco-marinho/swift1.2-update

Update Example to swift 1.2