Fixed problems with OffsetCurve.
Fixed problems with OffsetCurve.

Septima/jsts,Septima/jsts,Septima/jsts,nachoalthabe/cluster_poligonal,yeyan/jsts,circuits-io/jsts,circuits-io/jsts,weftio/jsts,kolosov-sergey/jsts,mikeatlas/jsts,mikeatlas/jsts,mikeatlas/jsts,Geode/jsts,weftio/jsts,kolosov-sergey/jsts,weftio/jsts,yeyan/jsts,kolosov-sergey/jsts,Geode/jsts,Geode/jsts