• Revert code back to 0.45 version
  Changes lost in the process:
  Content is not stored in the 'content' key any more; it is stored as the node itself when the node contains nothing else. As God intended.
  Memory leak fixes
  Quote handling
  
• Code copyright returned fully to David Helkowski; any changes by other parties have been discarded. Any code ported in from other open source projects removed.
  This has been done intentionally so as to make it possible to relicense the software commerically.
  
• XS code modofied to work in a multi-threaded environment
  
• Reverting Makefile.PL back to original wierd hackish fixes. They are there for specific reasons.