Update LIBLINEAR from 1.93 to 1.94
Add constant meaning solver type
Set default value of bias
Fix bug (raise when using array of array as input data)
Function finding max index of hash or array is moved
Add exception handling to Liblinear::array_to_hash
Fix some comments
Add test code
Update README
Version 0.0.3
Merge branch 'v0.0.3'