14139
-----
Issue 4548: Explorer wont browse the explored class
http://code.google.com/p/pharo/issues/detail?id=4548
Issue 4786: Tests for System-Support and added Behavior>>referencedClasses
http://code.google.com/p/pharo/issues/detail?id=4786
Issue 4789: Improve the way morphs communicate with model
http://code.google.com/p/pharo/issues/detail?id=4789
-- Marcus Denker -- http://marcusdenker.de
