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
add jshint
add default User-Agent: node-urllib/x.x.x
no more deps on buffer-concat
Release 0.5.7
remove buffer-concat
Release 0.5.8
Support `options.gzip = true` to handle gzip response. fixed #26

* If the options.gzip = true, urllib will auto add
  options.headers["Accept-Encoding"] = 'gzip'
  and auto ungzip the gzip response content.
* User also can disable gzip with options.gzip = false
  or ignore this argument.
remove cov dev deps
add timeout 10s
Release 0.5.9
if body not decode, dont touch it #26
Release 0.5.10
improve user-agent, add node version and plaform detail
Release 0.5.11
add co-urllib desc
support Digest access authentication. fix #27