implemented Lerot interface for ClickModel superclass and DBN
identetion fix
Merge branch 'master' of https://github.com/agrotov/clickmodels
Minor style changes following Artem's pull request
Small changes to the README to make it (hopefully) easier to read and less ambiguous.
Minor changes: rename & update docstrings.
Fix a potential bug with computing log-likelihood in the self.test() method.
Fix a bug in Artem's code stemming from the incorrect interpretation of what _get_click_probs() returns.
Eliminate numpy dependency.
Make Artem's functions intent-aware. Fix a bug in DbnModel.predict_stop_probs()
Raise exception when using a method that is not yet implemented instead of invalidating the class completely.
Update README with a "Quick Start" and "New!" sections.
Minor fix and formatting changes.