More sane logging level by default
Add a rollover count so limits are obeyed

Limits in file size don't seem to obey unless set to > 1.
Bump version to 0.2.2
Merge pull request #783 from dionyziz/hotfix-0.2.2

Hotfix 0.2.2
Merge pull request #2 from OpenBazaar/master

load changes from OpenBazaar/OpenBazaar