Changed the arc names to fill/stroke to make it clearer
Removed some unused variables and commented
XML now differentiates between ramp and blockramp (thicknessbased)
Ramps with 0 deltaY now create blocks instead
Simplified scaling/snapping and fixed a bug with pen size handling

Blocks are also no longer created until they are framed.
Scale now back to 18, arcs now scale/snap
Comments and white space to clarify some of the trickier details
merge updates from Lt. Sean to legacy map parser
Updates to legacy map converter