20443 ----- Issue 7147: CleanUp lowlevel dispalyObject anymation methods a little http://code.google.com/p/pharo/issues/detail?id=7147 Issue 7140: LayoutFrame refactoring http://code.google.com/p/pharo/issues/detail?id=7140 Issue 7133: Nautilus Cannot rename class in latest image http://code.google.com/p/pharo/issues/detail?id=7133 Issue 7146: remove FileStream>#dateIsValid http://code.google.com/p/pharo/issues/detail?id=7146 Issue 5475: flat padded date formats http://code.google.com/p/pharo/issues/detail?id=5475 Diff information: http://ss3.gemstone.com/ss/Pharo20/NautilusRefactoring-MarcusDenker.61.diff http://ss3.gemstone.com/ss/Pharo20/Morphic-MarcusDenker.1308.diff http://ss3.gemstone.com/ss/Pharo20/KernelTests-MarcusDenker.461.diff http://ss3.gemstone.com/ss/Pharo20/Graphics-Display Objects-MarcusDenker.100.diff http://ss3.gemstone.com/ss/Pharo20/Files-MarcusDenker.ducasse.287.diff