Merge pull request #1 from fcy/develop

Add FCYAssertOrReturn macros
Merge pull request #2 from fcy/develop

Version 1.2.0, fix the bogus v1.1.0
Instead of calling abort it raises an exception

- This changes makes the code testable
- Add Kiwi pod to the test target
- Implement the tests for the common macros
- Bump to version 1.2.1
All macros have variable number of arguments.
Several useful macros added.