Remove clutter from logger (#196)
Remove clutter from logger (#196)

* Remove clutter from the logger

Prior to this commit the logger was stringfying even functions.
Because of this response errors from axios was dumping a log of info on
the logs.

* Fixing standard style issues

* Check for toString on meta

naconner/lamassu-server,naconner/lamassu-server,joshmh/lamassu-server,joshmh/lamassu-server,naconner/lamassu-server,lamassu/lamassu-server,joshmh/lamassu-server,joshmh/lamassu-server,lamassu/lamassu-server,lamassu/lamassu-server