fix typos
fix trailing whitespace
small whitespace fixes
Merge pull request #1 from s0enke/patch-1

fix typos
Merged pull request #2
Added support for delayed metrics.
Bumped version to 0.2
Added README
Updated cli help messages to be more helpful
BugFix: Duplicate 'description' in setup.py
Updated usage text in README
Bumped version to 0.2.1
Added support for statistic evaluation over periods other than 60s.

Bumped version to 0.2.2