Update rs_token.py

增加“限定用户上传的文件类型”字段
Update rs_token.py

pep8
Merge pull request #108 from cloverstd/patch-1

Update rs_token.py
resumblePut can put 0-size file
Merge pull request #110 from SunRunAway/develop

resumblePut can put 0-size file
Support Google AppEngine, fix import error

GAE httplib implementation uses google.appengine.api.urlfetch
fix for GAE import
fix for GAE import
Merge pull request #114 from deepgully/gae

Support Google AppEngine, fix import error
blank out headers after sending request, or the next request will be polluted.
Merge pull request #117 from philiptzou/develop

#112: blank out headers after sending request
Update CHANGELOG.md
add uphost2
callwith add code return
change by rpc
add up host2
change new rpc
add backup host
fixed mkfile host, add exept catch
pep8