[update 2.0] #20487

20487
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Issue 7323: Add commandName to DefaultCommandLineHandler
        http://code.google.com/p/pharo/issues/detail?id=7323
       
Issue 7309: unused and unnecessary instance side instance variable in ASTCache.
        http://code.google.com/p/pharo/issues/detail?id=7309
       
Issue 7206: Error when Extracting a ZipArchive in 2.0
        http://code.google.com/p/pharo/issues/detail?id=7206
       
Issue 7277: inspectOnce is not working anymore
        http://code.google.com/p/pharo/issues/detail?id=7277



Diff information:
http://ss3.gemstone.com/ss/Pharo20/Tools-MarcusDenker.1017.diff
http://ss3.gemstone.com/ss/Pharo20/System-CommandLine-MarcusDenker.71.diff
http://ss3.gemstone.com/ss/Pharo20/Compression-MarcusDenker.118.diff
http://ss3.gemstone.com/ss/Pharo20/AST-Core-MarcusDenker.109.diff