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

v0.2.2
 * Refactor into 'krpctools' package containing 'krpc-clientgen', 'krpc-docgen' and 'krpc-servicedefs'.
 * Fixes caused by removal of support for protobuf enumeration and custom protobuf messages from server and clients

v0.2.1
 * Initial version
