Modernized project for Xcode 5 and iOS 7 SDK (no arm64 support yet).
Update README.md
Modernized project for iOS 7 SDK. SenTestingKit -> XCTest.
OCSquirrel-benchmark UI iOS 7 compatibility.
Fixed potential leak of object in OCSquirrelVMBindings_Constructor
Implemented static analyzer's suggestions on coding conventions.
Updated OCMock.
Added arm64 support.
Merge branch 'develop'

Conflicts:
	OCSquirrel.xcodeproj/project.pbxproj
	OCSquirrelTests/TestOCSquirrelObject.h
	OCSquirrelTests/TestOCSquirrelObject.m
	OCSquirrelTests/TestOCSquirrelTable.h
	OCSquirrelTests/TestOCSquirrelTable.m
	OCSquirrelTests/TestOCSquirrelVM.h
	OCSquirrelTests/TestOCSquirrelVM.mm
	OCSquirrelTests/TestPrinting.h
	OCSquirrelTests/TestRawSquirrelAPI.h
	OCSquirrelTests/TestStackManipulation.h
	OCSquirrelTests/TestStackManipulation.m
	SQUIRREL3/sqstdlib/sqstdrex.cpp
Updated GHUnit to support arm64. Added some typecasting for ints in order to GHUnit tests to pass (type mismatching errors with test constant literals).
Updated README.md