Adding feature for correctly updating SliceObjects

Signed-off-by: Andalon <dg4christ08@gmail.com>
Merge branch 'master' of https://github.com/Andalon/SketchyGraph

Conflicts:
	SketchyGraph/bin/Debug/SketchyGraph.exe
	SketchyGraph/bin/Debug/SketchyGraph.pdb
Program now updates PieChart with new lines.
Still to do:
    Allow Manipulation to occur.
    Deletion of Lines.

Signed-off-by: Andalon <dg4christ08@gmail.com>