Added compiler warning and set to treat as error. Fixed implementation accordingly.
Fixed new compiler warnings in test code.
Fixed UIKit.framework project reference to be SDK relative.
Added test case for objects that override isEqual: and hash. It's not possible to stub equal but not identical objects due to bad test in stubbedObjects set.
Fixed isEqual issue for stubbed objects.
Minor SBTestObject refactoring
Adding Nikolai Ruhe to contributors
Merge branch 'NikolaiRuhe-fix-equal-objects'

Fixes #2