Added WSGI tests.
Added WSGI tests.

michi88/Zappa,michi88/Zappa,longzhi/Zappa,pjz/Zappa,longzhi/Zappa,mathom/Zappa,Miserlou/Zappa,mathom/Zappa,scoates/Zappa,pjz/Zappa,Miserlou/Zappa,anush0247/Zappa,parroyo/Zappa,anush0247/Zappa,parroyo/Zappa,scoates/Zappa