Add KVS interface
Merge pull request #1 from fkmhrk/add-interface

Add KVS interface
Add the implementation of KVS
Add tests and fixed some bugs
Merge pull request #2 from fkmhrk/implement

Implement base class
Add getAll() method
Add tests for getAll()
Merge pull request #3 from fkmhrk/get-all

Add getAll() method
Add maven configuration
Merge pull request #4 from fkmhrk/maven

Add maven configuration
Add usage
Merge pull request #5 from fkmhrk/add-docs

Add usage
Add catch for updating
Merge pull request #6 from fkmhrk/fix-put

Fix put
Update the way to insert item / insert will output error log when conflict happens
Merge pull request #7 from fkmhrk/fix-insert

Fix insert
update version
Merge pull request #8 from fkmhrk/releaes-1.0.1

Releaes 1.0.1
Merge pull request #9 from fkmhrk/develop

Release 1.0.1