RTLScript 1.2 release

What's new:
Added full Urdu support!
Added support for extra symbols like: لا, لأ, الله.
Added function to check if the char is specific Arabic char.
Some API changes.
Rename of some stuff.
Some fixes.

Known bugs:
Maybe if you will use English and Arabic for example in the same line it's may be broken.

Full Changelog: v1.1...v1.2