alexeypetrushin/vos — pull request #8 by momolog (2013-05-12 19:14:12+00:00)
Title: fix prefix for root dir (https://github.com/alexeypetrushin/vfs/issues/4)

:prefix => '' does not work as expected,
:prefix => nil means top level

Btw. I do not know whether this breaks something else. Can you include some info on how to run the specs in the README?