0.6.1 (23-Oct-2014)
 * Refactor signal handling logic
 * Rename Reporter.create to Reporter.start_async

0.6.0 (10-Sep-2014)
 * add new asynchronous Reporter interface
 * add travis integration

0.5.5 (04-Aug-2014)
 * Split interface up into submodules
 * Add autogenerated docs

0.5.4 (30-Jul-2014)
 * Add prototype (dom0-only) xenostats transport support

0.5.3 (30-Jul-2014)
 * Add protocol argument to main_loop
 * remove spammy logging
 * general code tidyup

0.5.2 (09-Jul-2014)
 * make sure RRDD plugins exit on SIGTERM/SIGINT

0.5.1 (09-Jul-2014)
 * Add rrdd-plugin.mli
 * Use Xstringext instead of Stringext

0.5.0 (12-Mar-2014)
 * switch to rrd-transport library
 * switch build system to OASIS
 * rename rrdp_common -> rrdd_plugin
 * drop xcp prefix from library name

0.4.0 (05-Dec-2013)
 * initial release
