tatsd.cr, v0.5.0

Signed-off-by: Mike Fiedler <miketheman@gmail.com>

Add distribution metric type for Datadog compatibility

Signed-off-by: Marc Jeffrey <mjeffrey18@gmail.com>

statsd.cr, v0.3.0

Signed-off-by: Mike Fiedler <miketheman@gmail.com>

Bump to version 0.2.0

statsd.cr, v0.1.0

- Create a CHANGELOG.md file
- Add benchmark.cr to examples
- Update README.md
- Update Makefile for current targets