Some optimized paths to avoid mounting an archive if we don't need to. Also, a check to ensure that makedirs() behaves as expected when trying to create a directory on top of an archive.
Some optimized paths to avoid mounting an archive if we don't need to.
Also, a check to ensure that makedirs() behaves as expected when trying to create a directory on top of an archive.



git-svn-id: 74b2def6592cf29d88d1a5d33b5c4a2732d8507c@790 67cdc799-7952-0410-af00-57a81ceafa0f

pscottdevos/pyfilesystem,anthonybishopric/pyboxfs,alekibango/pyfilesystem,anthonybishopric/pyboxfs,pscottdevos/pyfilesystem,alekibango/pyfilesystem,duedil-ltd/pyfilesystem