1.8.1

new Feature
ROUND()
FLOOR()
CEIL()
BITNOT()
added == and != as logical condition
draw arc x1,y1, r1, r2,r3,r4 , View$
add modi to draw image (INVERT | BLEND | MAX | MIN | SUBTRACT | ADD)

closed BUGS
SHL / SHR / DEC wasn't working, because bin and hex digits wasn't allowed.
bitmap color red and blue was changed, so if i want red color value i get blue. solved.

Other fixes
EXECUTE()
COMPILE()

Documentation updated