Moved fill_complex_polygon() from enigma_user to enigma; there's no reason a user script should call this. Moved currComplexPoly up a visibility level.
First draft of GM5 compatibility plugin. draw_*() functions overridden to take line width into account. Magic drawing variables like pen_size and pen_color are now tracked. Placebo functions for sprite deletion and restoring are in place.
Merge pull request #623 from sorlok/plugin_gm5compat

GM5 compatibility plugin.