VoidWorld Update September 30 2011

new update.
http://www.digitalfossils.com/Download/VoidWorld-sep-30-11.rar

Summary of changes:
  * Bug in symmetry polygon highlight rendering, if object is not fully symmetrical, is fixed.
  * Edge_Loop_Cut/Slide right click instant undo result is improved. Previously it only undo the sliding action.
  * Some error handling code is added to expose error messages when saving to file fails.

Thanks!