Fix history and add Control+W to readline
Fix history and add Control+W to readline

kaustavha/luvit,zhaozg/luvit,bsn069/luvit,rjeli/luvit,luvit/luvit,bsn069/luvit,DBarney/luvit,rjeli/luvit,GabrielNicolasAvellaneda/luvit-upstream,kaustavha/luvit,rjeli/luvit,zhaozg/luvit,DBarney/luvit,kaustavha/luvit,bsn069/luvit,GabrielNicolasAvellaneda/luvit-upstream,rjeli/luvit,luvit/luvit,DBarney/luvit,GabrielNicolasAvellaneda/luvit-upstream,GabrielNicolasAvellaneda/luvit-upstream,DBarney/luvit