Changelog for concraft-pl-0.7.1

-*-change-log-*- 0.7.0 Nov 2013 * Output guessing results for unknown words * Allow "--noana" option in the client/server mode * Add option to output marginal probabilities * Add separate mode for model pruning 0.6.0 Nov 2013 * Output wordform instead of "None" as a lemma for unknown words 0.5.0 Nov 2013 * Restore the orth[-2] feature in the observation schema