add JSONResponseFormatError; append request url infomation to err.message
add args.beforeRequest(options) hook to change options before http send
Release 0.5.3
fix timeout not effect bug

it wont case error event when req haven't been assigned a socket yet.
Release 0.5.4
update readme
support args.writeStream with follow redirect
should pass done instead of callback and end the writeStream
Release 0.5.5
no more support on node 0.6.x
install from cnpm
add drone.yml
fix test cases and use autod
access npmjs.org https
update badge
fix typo
Merge pull request #24 from coderhaoxin/master

fix typo
add data/res to error
Merge pull request #25 from fengmk2/error-res

add res to error
Release 0.5.6