Cast plugin data to hash, raise error if empty
Catch and log exceptions in binary
Use e.message instead of .inspect
Add stacktrace to fatal error
Revert test-error
Bump version
Remove memcache maxbytes metric
Remove mysql sent/received bytes
Remove mysql max connections
Remov mysql processlist sending data
Add rake, rspec dev-depds
Add rspec rake task
Make config_file optional
Add spec without api key
Ad travis config
Majore refactoring

- Introducing storage class
- Introducing service class (plugin + config)
Drop service, just use plugin
restructure
Move factories to plugin/storage
Don't bump version yet..