prepare 0.18.0

fix build badge

prepare 0.16.0 changelog

prepare 0.16.0 changelog

0.15.0 CHANGELOG

oops forgot to bump the ver num here...

Merge pull request #178 from ari4java/gb-wip

New APIs & Prep 0.13.0

Merge pull request #173 from ari4java/gb-wip

0.12.1

0.12.0