* Draft of simple perceptron. needs cleaning.
* Fix perceptron bug
* Add debug printing
* Merge
* Efficiency improvements, needs some bug fixes
* Restore shuffling
* Bug fix to oracle
* Minor edits
* Bug fixes for simple_greedy_ap. Removed non-monotonic mode
* Moving to arc-always transition system
* Refactoring arc-always
* Refactored
* Add parsing of auto pos tags
* Add parsing of auto pos tags
* Add sequences module