WIP
WIP - Added new empty files
WIP
WIP
WIP
WIP - Line coded but not compiled nor tested
WIP
WIP - NOT working AT ALL
WIP - Line working but I lost the possibility of editing the lines...
LINE: possible to draw lines and to modify their attributes
ELLIPSE: seems to be working just fine!
README.txt added
WIP: rectangle skeleton added.
RECTANGLE: seems to be fully working.