Fix unicode->str conversion in render_options. Fixes GH-174.
Fix unicode->str conversion in render_options. Fixes GH-174.

todo: tests

Youwotma/splash,dwdm/splash,Youwotma/splash,kod3r/splash,kmike/splash,Youwotma/splash,pawelmhm/splash,sunu/splash,pombredanne/splash,pawelmhm/splash,sunu/splash,kod3r/splash,sunu/splash,dwdm/splash,pawelmhm/splash,kod3r/splash,kmike/splash,pombredanne/splash,dwdm/splash,kmike/splash,pombredanne/splash