Prepare for 2.17.1 (#444)

Fix bounds

Prepare for 2.16 (#429)

* get rid of haste

* update version and changelog

Merge tag '2.15.0.1'

Re-version 2.15.0 -> 2.15; fix a reference to 2.14.3; tag release

Add some newly-required Cabal boilerplate

Bump version.

Bump version.