* adds line function

* simpler code

* function comment ++

* add partial rounded rect

* resolve f8 issue, partially

* untested, might work

* typo

* use ng.tree_id instead

* adding some defensive checks for panel draw function

* remove excess procedure

* add todo comment

* forces other nodetrees to become False when a nodetree starts drawing

* test

* add comment to debug print sections. next step is to hide debug prints

* adds option to suppress debug printing of node times from sv_panels

* add circle

* some arc code done

* add initial arc support

* add offset to arc

* adds revision one of rect_rounded

* adds working version of bezier