Reworked a lot of sshm.py.  It now passes extra arguments down to the ssh call.  Will not provide a default port, we'll rely on SSH for that.  That way if they specify a port in their config, it will be respected.
Added some extra comments.
Updating readme.  Updated version to reflect recent changes.
Forgot some whitespace.
Fixing some line-width issues.
Fixing wording of a comment.
Fixing spacing in readme.
Merge pull request #8 from rolobio/pass-arguments

Pass arguments