Merge pull request #63 from SoftlySplinter/develop

Added testing to make sure issue #62 never happens again.
Single user mode. Closes #58
Cleanup and comments, mostly for the single user mode stuff
Made it easy to run with gunicorn

* Removed --show command line option
* create_app() can now take either a filename or a config dict
Added instructions for running with Apache's mod_wsgi. Closes #23
Added a couple more comments