CGUI - a gui lib for multiplatform base

Canged country code to languge code.

Modified usages of english language tag in language files to conform with the parsing tool.^C

Replaced english language code from en to gb. Corrected the percentage handling in mktext to follow the intentions.

Fixed bug in handling of time in the edit box.

Added function to control the speed of the mouse wheel.

Fixed bug that froze while editing if another editbox was deactivated in the meantime.

Added the possibility for the application to free memory when the user switches active tab. Added functions to cusomise the tab chain.

Added the possibility for applications to control the color of the delimiter line in list boxes.

Corrected handling of 'blank 0'-function of floating types.