Better cache directory code for pre built libraries.
Random white space clean ups.  In Python!  Yes, be scared.  B-)
Fix up Windows installer, and make it more consistant with other OSes.
Use unix style bison build for cygwin.
Attempt to fix up Windows yyparse issue, but ultimately fail, then notice it's possibly not being used anyway, so just commit it.
Potential fix for http://redmine.kokuaviewer.org/issues/1215 but needs testing.