v0.9.1

bump for Erlang 23

v0.9.0

• add Erlang 21 to supported versions, drop old ones
• update build flow
• support rebar3
• add license

Erlang 21 support

no code changes

Erlang 20 compatibility

v0.8.16

erlang 20 compatability

Erlang 18 compatibility

Actually, just checking out everything compatible with latest Erlang release.

administrative stuff

• add travis-ci configs
• add Makefile
• update rebar binary to v2.5.1
• passing dialyzer
• no changes to source

Initial release

Release to match CB development. All future releases will include changelog.