4 Toolbar, bitmap, icon support (no display yet).
 
   6 Changed parameter objects, added support for multiple parameters (like 
 
   9 Fixed double-clicking problem with tree control on Windows.
 
  11 Some performance improovements.
 
  16 Added notebook with properties page and style page. Fixed some problems
 
  22 Some fixes suggested by RD
 
  27 Faster preview window refresh.
 
  29 Cut/Paste works better.