Add saveKey support
doc private get
travis
Merge pull request #64 from lintianzhi/fix/doc_private

Fix/doc private
Fix endUser bug
Update README.md
add warning of utf8 keys
Merge pull request #67 from longshanksmo/develop

add warning of utf8 keys
Add list support
Fix qbox signature config setting bug
format code
Merge pull request #69 from ikbear/add-list

Add list
fix
require json
Merge pull request #70 from lintianzhi/fix/addlist_alter

Fix/addlist alter
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