v0.1.2

• Change logger name to use __name__ (esipy)
• Add raw_body_only to EsiClient.__init__() to have a default value for all requests (unless you specify it in the EsiClient.request() method).
• Add api_call_stats event to have a hook that returns elapsed time for requests (to monitor api calls / status). See http://esipy.readthedocs.io/en/latest/advance/signals/#list-of-signals
• Add warnings.warn() and logger.warning() when warning header is found. (#3)