Mo 18. Mär 15:37:59 CET 2013 Pushing verion 0.99.10. Added functions to gracefully combine and remove nodes. As well as made getXrefAnnotations better.

From: Frank Kramer <dev@frankkramer.de>

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/rBiopaxParser@74504 bc3139a8-67e5-0310-9ffc-ced21a209358
Merge branch 'local-hedgehog', with new changes for SVN