nanashi

Support for Xcode Unit Test. Example: in test case file ``` objc +(void)setUp{ [super setUp]; [[CoreDataManager sharedManager] setDefaultModelFromClass:[self class]]; [[CoreDataManager sharedManager] useInMemoryStore]; } ``` Inspired by http://www.cimgf.com/2012/05/15/unit-testing-with-core-data/ "Supporting Xcode’s Unit...