Updated pickles to use sets for the private attribute Reaction._genes and Reaction to handle older Reactions that used dicts for the private attribute
Merge pull request #26 from danielhyduke/master

Updated pickles to use sets for the private attribute Reaction._genes
updated the sbml unit test to run on jython
Merge pull request #27 from danielhyduke/master

updated the sbml unit test to run on jython
Merge branch 'master' into visbio_map