Make string generator
Write test for __str__
Merge pull request #12 from unnonouno/feature/python_to_string

Make a helper class for __str__ method
Check if server is alive before test
Rename lsh_num to hash_num in configuration file
Client 0.5
Merge pull request #15 from unnonouno/python-new-client

Client 0.5
Add test for TMap
Fix type check for datum
Implement connect method
Fix TNullable and add its test
Add test for TUserDef
Fix types test
Add test for rpcerror
Add test for wrong number of argument
Merge pull request #16 from unnonouno/client-helper

Implement connect method
Make test for nearest_neighbor client
Merge pull request #18 from jubatus/feature/nn-test

Make test for nearest_neighbor client
Merge branch 'release/0.5.0'