initial commit
filter out nan with url query
minor typo
tests written
Update README.md
Update README.md
minor test fix
Readme fix
Merge remote-tracking branch 'origin/brianip/metrics_fix' into brianip/metrics_fix

* origin/brianip/metrics_fix:
  Update README.md
  Update README.md
Merge pull request #41 from BrianIp/brianip/metrics_fix

Brianip/metrics fix