14340
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Issue 4929: #[ in a workspace raises an exception
http://code.google.com/p/pharo/issues/detail?id=4929
Issue 5326: New method in AbstractTool
http://code.google.com/p/pharo/issues/detail?id=5326
Issue 5330: PluggableListMorph little hack to speed it up a bit
http://code.google.com/p/pharo/issues/detail?id=5330
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Marcus Denker -- http://marcusdenker.de
