Changelog

v1.3.0 (2019-04-26)

Use logger on OTP21 by default
Rename default log type to sasl
Add ?slog macro for structured log messages
Add rebar3 example in examples/rebar3
Add ?slog metadata for non-logger backends

v1.2.1 (2018-11-02)

Update internal erlang.mk
Update Travis CI configuration to include OTP 21
Fix dialyzer warnings when using the default logger