updating download url for windows version of pyreadline
Merge pull request #341 from Metamaquina/master

fixing broken pyreadline download url
Fix abort in wxColour_helper on OpenSUSE

This replaces "" strings that cause aborts in python-wxWidgets wxColour_helper with
Python None objects. This corrects an abort where the helper tries to fetch the
first byte of the colour string even when it's 0 length.
Merge branch 'experimental' of git://github.com/kenaaker/Printrun into experimental