token bug

多级origin-edge模式，edge上功能不生效
Merge pull request #239 from tufang14/1.0release

token traverse bug, tranverse token then response the connect request.
fix #239, traverse the token before response connect. 1.0.10.
refine code for bug #239
update readme for bug #239
merge from 1.0release, traverse the token before response connect. 2.0.45.