Minor feature updates

1. Updated the TargetCollection so that the sentiment predictions instead of just being one array of predictions for the Dataset can be n array of predictions so that other statistics can be calculated e.g. the mean.
2. TargetCollection can also now be easily saved to json type files.
3. TargetCollection word_list function now has an additional lower argument.

Very Minor release

One update

Added lower argument to word_list function in bella/data_types file.

COLING 2018 Update

COLING 2018 Update

This release is the correct release for the related COLING paper and not to use version 0.1.0-alpha as reference for that paper.

The release brings with it a better Model API, as all models now have the following common functions:

1. fit
2. predict
3. probabilities
4. save
5. load
6. name

The release also comes with easier to download models through the API.

COLING 2018

This is the release that is associated to the COLING 2018 paper and the following pip version of the code.