New branch
Parsing OK + Cercle
Add some functions
Add feature : (Poly)Line doesn't work
Load and Save OK : need to inplement History to continue
Add Line & Polyline
Fixing GetCreator for L & PL
Comment Schema.cpp
Comment Schema.h
Modify Historic
Inplement Stack control for UNDO & REDO : test OK
Implement Load, now lest's for testing
Fix Load
MERRRRGGGEE OK