v3.1.0

convert to using java.nio.channels.DatagramChannel
use string concatenation instead of String.format for reasons of performance
use correct (documented) packet format for sample rates

v3.0.2

added support for double values for gauges

v3.0.1

Minor fixes for locale and character encodings.

v3.0.0

Adds supports for sets, sampling, and gauge deltas.

Fixes a number of bugs.

v2.0.0

tag release version 2.0 -- fixes #14

v1.0.1

tag version 1.0.1