Add app-logging endpoint
Bugfixes from PR
Merge pull request #10 from pebble/feature-app-logging

Add app-logging endpoint
Ignore .idea
Reference to log_levels need to be prefixed by 'self.'
Merge pull request #12 from pebble/fix-log-levels-bug

Reference to log_levels need to be prefixed by 'self.'
Merge remote-tracking branch 'remotes/private/master' into merge-private-into-public