Bump to version 0.6.0
Add requirements.txt to MANIFEST.in
bump to v0.6.1
Add a new pip options object that allows parse_requirements() to be backwards compatible.
Bump to v0.6.2
add raxmon-views-metric-list
Updated documentation for API auth end points

https://github.com/racker/rackspace-monitoring-cli/issues/60
Update .raxrc

Related to Issue #60
Support get for entities, checks and alarms

Improved exception handling