Fix a crash when an invalid keypath is used
Revert "Add podspec file"

This reverts commit 22712f9863a01091ad9f6b0bb186382204f8583e.
Asserting that an entity has a MOC
Merge pull request #232 from notjosh/patch-1

Asserting that an entity has a MOC
Revert "Merge pull request #232 from notjosh/patch-1"

Reverts my premature merge in #232 :sweat:
Avoid sending exception for an invalid keypath, instead returning an error
Minor style fixes
Merge pull request #230
Added podspec
Merge branch 'master' of github.com:dcordero/Mantle

Conflicts:
	Mantle.podspec
	Mantle/MTLJSONAdapter.m