Ruby/RPG Maker Various Works

__1 - Added Wrapper for RPG Maker & Generator__

__2 - Improved Wrapper for Ruby__
Now it generates code which is almost identical to C++. (Look Ruby Docs example codes)
And I removed the necessity of the blank string on initializing classes.

__3 - Added RPG Maker docs__

__4 - Improved Ruby docs__
Updated to match the generated Ruby code of the improved wrapper.

__5 - Added more RPG Maker demos__
Now it includes space.rb, simplest.rb and c_test.rb