Added image-to-array python script (needs extending)
Added char and string functions (drawing text with a 'standard' 5x9 font
(Needs a better font)...
Added "LCD_DrawBitmap" function (raw pixel data in unsigned short format)
Added "LCD_Rotate" function
Improved speed of LCD_FillRect function
Transparency option for writing text

Signed-off-by: Oliver <oliver@currawongeng.com>