Rename handle{ResError => Error} and refactor
Rename handle{ResError => Error} and refactor

benfleis/tchannel,benfleis/tchannel,davewhat/tchannel,sasa233/tchannel,savaki/tchannel,benfleis/tchannel,RyanTech/tchannel,i/tchannel,Zirpon/tchannel,chenwenbin928/tchannel,chenwenbin928/tchannel,i/tchannel,RyanTech/tchannel,hustxiaoc/tchannel,bunnyblue/tchannel,davewhat/tchannel,sasa233/tchannel,RyanTech/tchannel,vanloswang/tchannel,i/tchannel,bunnyblue/tchannel,vanloswang/tchannel,hustxiaoc/tchannel,savaki/tchannel,sasa233/tchannel,savaki/tchannel,chenwenbin928/tchannel,hustxiaoc/tchannel,Zirpon/tchannel,bunnyblue/tchannel,vanloswang/tchannel,Zirpon/tchannel