v0.3.10
 * Update to protobuf v3.4.0

v0.3.9
 * Update to protobuf v3.3.0

v0.3.8
 * Update to protobuf v3.2.0

v0.3.4
 * Update to protobuf v3.0.0-beta-3

v0.2.3
 * Make client thread safe
 * Support JDK 1.7+

v0.2.2
 * Initial version
