added line to changelog
* The reservoir limit's default was increased from 1000 to 2000.
* The maximum reservoir limit supported is 10,000.
* Note that Cross Application Tracing is now deprecated.
+* Added support for gathering memory statistics via `PhysicalMemoryBytes` functions for OpenBSD.
+
### Fixed
* Corrected some example code to be cleaner.
* Updated version of nats-streaming-server. [PR #458](https://github.com/newrelic/go-agent/pull/458)
