really simplify
really simplify

pestanko/httpbin,pestanko/httpbin,Runscope/httpbin,Runscope/httpbin,ewdurbin/httpbin,postmanlabs/httpbin,kennethreitz/httpbin,krissman/httpbin,kennethreitz/httpbin,krissman/httpbin,postmanlabs/httpbin,ewdurbin/httpbin