20321
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Issue 6762: RPackage breaks with class side trait methods
http://code.google.com/p/pharo/issues/detail?id=6762
Issue 6758: Nautilus History Shortcuts and BugFixes
http://code.google.com/p/pharo/issues/detail?id=6758
Issue 6763: Improvements to MorphTreeMorph
http://code.google.com/p/pharo/issues/detail?id=6763-- Marcus Denker -- http://marcusdenker.de
