Fixing setup env line.
Fix importing of nested modules.

https://github.com/joshmarshall/jsonrpclib/issues/15
Merge pull request #16 from jsalz/master

Fix for issue #15 (importing)
Merge remote-tracking branch 'joshmarshall/master'

* joshmarshall/master:
  Fix importing of nested modules.
  Fixing setup env line.