Pablo Botella

http://www.xodc.org.uk/repos/ot4xb/
http://www.xbwin.com/download/ot4xb.zip

Changes:
* Fixed 1.9 compat.
   XPP_REFERENCE and XPP_DOUBLE defines differ in 1.9 from  1.8 and bellow.
   Now all references changed to a global with rigth values in all versions.

* Help project for PRG functions started