Log Message:
Update to 0.016

Upstream changes:
0.016     2015-10-10 12:46:48+02:00 Europe/Amsterdam
          Fix deprecation check

0.015     2015-10-03 14:21:18+02:00 Europe/Amsterdam
          Make lexical_topic a deprecated feature

0.014     2015-09-12 00:29:37+02:00 Europe/Amsterdam
          Add bitwise to list of known features