0.6.4 - Bugfixes

• Replaced usage of deprecated scipy_mode. Fixed #39
• Fixed ValueError: invalid literal for int() with base 10 in predict_qd. Fixed #40
• Added input validators to raise human-readable error messages when the input is not correct. Fixes #37
• Fixed AttributeError: module 'numpy' has no attribute 'object'.. Fixes #38

See documentation page for details.