* Fix shift_classes param for nbest parsing
* Unbreak beam scoring, to restore nbest functionality
* Switch to using nbest_parser file
* Move nbest scripts
* Move nbest scripts
* Move lattice scripts
* Patch possible bug in match filling features
* Remove prior property from beam. These are now handled separately
* Move nbest parsing to its own file
* Move common nbest functions to a util file.
* Add from_strings class method to Input
* Remove deprecated prior arg in lattice utils
* Make compilation less spammy.
* Add profiling to nbest training
* Update make_virtualenv script
* Update requirements
* Fix for new version of pathlib
* Add distinction for quiet make and normal make
* Small tweak to perceptron, about the totals
* Whitespace