Add documentation for me.Color.clone and fix a bug with alpha
Add documentation for me.Color.clone and fix a bug with alpha

rlugojr/melonJS,melonjs/melonJS,srbala/melonJS,MarkoIvanetic/melonJS,TukekeSoft/melonJS,gopalindians/melonJS,rlugojr/melonJS,srbala/melonJS,rlugojr/melonJS,TukekeSoft/melonJS,gopalindians/melonJS,gopalindians/melonJS,melonjs/melonJS,MarkoIvanetic/melonJS,TukekeSoft/melonJS,srbala/melonJS