support payment page of tudou & tencent video
Merge pull request #269 from karlcheong/patch-1

support payment page of tudou & tencent video
remove the test case for https://httpbin.org, since it seems the sogou proxy servers are not very stable for https connection  // FREEBIE
bump version numbers  // FREEBIE
fix wrong version number for nodejs in .travis.yml ...  // FREEBIE
Add rate limit to HTTP server too
Merge branch 'master' into dns-reverse-proxy
speedup is_valid_url() and drop unknown http request