add SAE kv storage for session
Merge pull request #46 from tg123/develop

add SAE kv storage for session
sign test passed
pay success !
Try to fix #47 #48
Merge branch 'master' into develop
Merge branch 'develop' of github.com:whtsky/WeRoBot into develop
Merge remote-tracking branch 'upstream/develop' into weixin_pay

Conflicts:
	werobot/client.py
add query and delivernotify
fix \u in message
fix \u in message

Conflicts:
	werobot/client.py
Merge pull request #50 from tg123/json_body

fix \u in message
prepare for callback sign
fix sign string1 for order query
fix sign error in ios
Update replies.rst

这里应该是descriptio而不是desription
Merge pull request #51 from cloverstd/patch-1

Update replies.rst
补充支付文档
Merge remote-tracking branch 'upstream/develop' into weixin_pay

Conflicts:
	werobot/client.py
Merge pull request #56 from tg123/weixin_pay

Weixin pay