Improve docs
Improve docs

voxmedia/thumbor,marcelometal/thumbor,voxmedia/thumbor,gi11es/thumbor,voxmedia/thumbor,kkopachev/thumbor,scorphus/thumbor,thumbor/thumbor,kkopachev/thumbor,okor/thumbor,kkopachev/thumbor,thumbor/thumbor,scorphus/thumbor,thumbor/thumbor,kkopachev/thumbor,scorphus/thumbor,thumbor/thumbor,marcelometal/thumbor,gi11es/thumbor,okor/thumbor,okor/thumbor,marcelometal/thumbor,gi11es/thumbor,scorphus/thumbor