Update JSONModel.podspec
Merge pull request #176 from itriage/master

Add CoreData framework, since there is now a dependency on it.
* cleaned up JSONModelArray code
* optimized it for mutable and non-mutable arrays
* fixed issues with the core data demo
* extracted structure validation and data import into separate private methods
* added mergeFromDictionary
* prepared code for NSCopying
* fixed bug with optional JM properties
* added unit test for new merge data method
* clean up
* allow for Block properties
https://github.com/icanzilb/JSONModel/issues/172
Update JSONValueTransformer.m

For mapping NSUInteger on 64bit
Merge pull request #187 from jalmaas/patch-1

Update JSONValueTransformer.m
modernize
Merge pull request #198 from Stefan-Hintz/master

modernize
Add ignore files
Merge remote-tracking branch 'refs/remotes/icanzilb/master'