Adding support for postgresql

Refer to readme for usage
Merge branch 'master' of https://github.com/BryanSD/cloaked-archer into postgres

Conflicts:
	requirements.txt
Switching to uuid for id
Merge branch 'master' of https://github.com/BryanSD/cloaked-archer into postgres
Adding configuration settings for postgresql
Merge branch 'master' of https://github.com/BryanSD/cloaked-archer into postgres
Adding configuration for cassandra
Corrections to config parsing
Updating docs for postgres install
Fixing readme formatting
Merge pull request #1 from Kuwagata/postgres

Postgres