Upped required PRAW version to 3.
Upped required PRAW version to 3.

shaggytwodope/rtv,obosob/rtv,michael-lazar/rtv,Brobin/rtv,yskmt/rtv,shaggytwodope/rtv,TheoPib/rtv,bigplus/rtv,arnoutpierre/rtv,5225225/rtv,yskmt/rtv,michael-lazar/rtv,TheoPib/rtv,michael-lazar/rtv,5225225/rtv