bumping version to 0.5.0

a lot of work has been done since the last version change, and the API has changed a little

0.4.0

Since so much has changed I think we're at 0.4.0

0.3.0

Fixed config loading and solved the importing problem

0.2.0

Update desertbot.py

0.1.0: Adding functionality increments the MINOR_VERSION.

Since we're adding functionality, but are still in the development stage, let's just increment the MINOR_VERSION.

0.0.1

Fix module loading. Prepare for tagging