changes to 0.0.3.6:

test1:
  invoke -> pushs & call[]
  window name via tg2d.os.wndname

test2:
  uses window proc, which just calls default one, but still defined using priv's "proc" macro
  removed TG2D_VIDEOBITMAP_ACTIVE

test3:
  wnd proc without macros and skips WM_CLOSE
