Pargen for YACC and LEX

The YACC and LEX libraries that Cello links against come from Pargen. Pargen is a YACC and LEX distribution for use on Windows. Cello was supplied with the Pargen libraries without source. Fortunately Bumble Bee Software have the sources to their previous release of their Pargen library available for download. Checking the source headers against the headers that were included with the Cello code I can see that they are the same. The Pargen library compiled almost without problem.