Implemented big subset of the ISLisp ISO standart.
Added graphics operations (even the turtle graphics).
Editor Window - for writing sources
Debug/Output Window - for displaying results of operations
Debug Line - for interactive interpretation
Run Button - runs Editor Window contents interpretation
Break Button - terminates running interpreter
Clear Button - clears interpreter environment (functions, variables,...) and graphics Screen
Show Button - shows contents of the buffered image on screen
Choice Menu - determines which source would be loaded to the Editor Window
Load Button - loads source from Choice Menu to the Editor Window
Screen - displays graphics output