Improve patchIfNeeded
another app using UI7Kit
Rebuild tintColor strategy - iOS7 SDK compatible!
Remove objc3 syntax from patch code.

Reported error:
```
-[__NSArrayM objectAtIndexedSubscript:]: unrecognized selector sent to instance
```

Reported environment:
  - Test running (Cmd + U)
  - Jailbreaked OS: (issue #57)