Update to 0.5.5

Add the ability to fetch stats with tags only, fixes #55 (#56)

0.5.3 rpm-spec

Bump version to 0.5.2

Version 0.5.1, add Dampening to Alerts, fix Python 2.7 incompabitilit…

…y in auth

Tag for release 0.5.0, includes support for alerting

Merge pull request #15 from alongoldboim/support_strings_types

Adding support for metrics strings

Support Hawkular-Metrics 0.3.4