Fabric module names should be str, not unicode
Fabric module names should be str, not unicode

One strange thing when restoring from json is all strings are
unicode. Usually this is no big deal, but with the type validation in
_parse_spec, it's easier if self.name is a str.

Signed-off-by: Andy Grover <b7d524d2f5cc5aebadb6b92b08d3ab26911cde33@redhat.com>

JonnyJD/rtslib-fb,cvubrugier/rtslib-fb,mikenawrocki/rtslib-fb,agrover/rtslib-fb,mikenawrocki/rtslib-fb