add to_s for Users.
add to_s for Users.

astraldragon/hummingbird,MiLk/hummingbird,sidaga/hummingbird,synthtech/hummingbird,cybrox/hummingbird,MiLk/hummingbird,xhocquet/hummingbird,NuckChorris/hummingbird,xhocquet/hummingbird,Snitzle/hummingbird,saintsantos/hummingbird,qgustavor/hummingbird,jcoady9/hummingbird,jcoady9/hummingbird,xhocquet/hummingbird,xhocquet/hummingbird,NuckChorris/hummingbird,wlads/hummingbird,wlads/hummingbird,saintsantos/hummingbird,erengy/hummingbird,paladique/hummingbird,erengy/hummingbird,paladique/hummingbird,astraldragon/hummingbird,hummingbird-me/hummingbird,jcoady9/hummingbird,vevix/hummingbird,paladique/hummingbird,xhocquet/hummingbird,synthtech/hummingbird,NuckChorris/hummingbird,Snitzle/hummingbird,NuckChorris/hummingbird,sidaga/hummingbird,astraldragon/hummingbird,Snitzle/hummingbird,erengy/hummingbird,saintsantos/hummingbird,qgustavor/hummingbird,vevix/hummingbird,saintsantos/hummingbird,wlads/hummingbird,MiLk/hummingbird,qgustavor/hummingbird,hummingbird-me/hummingbird,wlads/hummingbird,xhocquet/hummingbird,jcoady9/hummingbird,sidaga/hummingbird,qgustavor/hummingbird,vevix/hummingbird,xhocquet/hummingbird,Snitzle/hummingbird,vevix/hummingbird,astraldragon/hummingbird,sidaga/hummingbird,MiLk/hummingbird,paladique/hummingbird,erengy/hummingbird