shapes: use VGPath over VGPaint
ovg_text no longer destroys your fill
rename setting fill and stroke colors
add polygon and polyline shapes
add arc drawable
clear custom rectangles
clear() uses clear_rect as backend
common include for repeated header checks
add transformation calls
stroke width
stroke styles: cap and join/miter
polyline shouldn't automatically close
add simple test window
stroke_miter limit, dash, dash phase
library header group functions