made Mojo::Client easier to subclass
made Mojo::Client easier to subclass

kberov/mojo,CandyAngel/mojo,s1037989/mojo,jenalgit/mojo,vlet/mojo,lindleyw/mojo,kiwiroy/mojo,Grinnz/mojo,zoffixznet/mojo,polettix/mojo,dolmen/p5-Mojolicious,melezhik/mojo,andrewsolomon/mojo,chenri/mojo,areggiori/mojo,melezhik/mojo,zoffixznet/mojo,jamadam/mojo,dotandimet/mojo,andrewsolomon/mojo,s1037989/mojo,jenalgit/mojo,kak-tus/mojo,augensalat/mojo,vlet/mojo,marcusramberg/mojo,scottw/mojo,kraih/mojo