Fix logging in if you have unicode username
Fix logging in if you have unicode username

zenefits/sentry,fotinakis/sentry,mitsuhiko/sentry,ifduyue/sentry,mvaled/sentry,BuildingLink/sentry,jean/sentry,beeftornado/sentry,looker/sentry,zenefits/sentry,mvaled/sentry,ifduyue/sentry,jean/sentry,jean/sentry,mvaled/sentry,ifduyue/sentry,ifduyue/sentry,gencer/sentry,ifduyue/sentry,beeftornado/sentry,gencer/sentry,gencer/sentry,zenefits/sentry,BuildingLink/sentry,alexm92/sentry,JackDanger/sentry,JamesMura/sentry,JamesMura/sentry,fotinakis/sentry,looker/sentry,JackDanger/sentry,looker/sentry,alexm92/sentry,JackDanger/sentry,JamesMura/sentry,looker/sentry,mvaled/sentry,BuildingLink/sentry,mitsuhiko/sentry,fotinakis/sentry,jean/sentry,gencer/sentry,BuildingLink/sentry,jean/sentry,fotinakis/sentry,gencer/sentry,zenefits/sentry,mvaled/sentry,beeftornado/sentry,zenefits/sentry,looker/sentry,JamesMura/sentry,BuildingLink/sentry,JamesMura/sentry,mvaled/sentry,alexm92/sentry