* Non-significant simplification of l-cost
* Allow ERR label to be output in write_parses if necessary
* Remove different training incrememnts for different sequence lengths
* Pass non-monotonic transition args to beam parser
* Experimenting with MWEs
* Disable sentence re-ordering when debug is on, to make it easier to find things
* Moved deps script elsewhere
* Updated evaluate script for interregnum label
* Updated dep post-processing for swbd, most notably making sure all tokens under EDITED were labelled correctly