Support expires as an alias for expires_in
Support expires as an alias for expires_in

cyrilchaponeverysens/oauthlib,Blitzen/oauthlib,garciasolero/oauthlib,flamusdiu/oauthlib,idan/oauthlib,singingwolfboy/oauthlib,skion/oauthlib-oidc,mick88/oauthlib,flamusdiu/oauthlib,metatoaster/oauthlib,armersong/oauthlib,barseghyanartur/oauthlib,hirokiky/oauthlib,oauthlib/oauthlib,bjmc/oauthlib