Fixed the image output filename to respect the HTTP spec
Fixed the image output filename to respect the HTTP spec

Filenames for files cannot contain a / or a \
PUGX/badge-poser,Jakiboy/badge-poser,PUGX/badge-poser,PUGX/badge-poser,chacbumbum/badge-poser,Jakiboy/badge-poser,chacbumbum/badge-poser,Jakiboy/badge-poser,chacbumbum/badge-poser