handle case when non-ascii char are logged

[tgermain]

Fix #187 by encoding response in utf-8 before logging it.

It could also be done for the whole logger but I have no idea how right now.

[solarkennedy]

How about

logging._defaultFormatter = logging.Formatter(u"%(message)s")

in init.py?

[tgermain]

It's not the log itself but the "{}".format(u'\xe7\xe7') inside the log. We are trying to put a utf-8 string into a non-utf-8 string.

u"{}".format(u'\xe7\xe7') seems to do the job. I don't know with solution is better, thoughts @solarkennedy ?

I tried to change the default formatter, the issue remain.

[solarkennedy]

Oh, I understand now (I think). No I think this patch is ok.