20180215
* Set PPS termination to disabled by default
* Resolve occasional PCIe initialization failure at card hot reload

20171019
* Enable PCIe RX equalization to improve PCIe link performance/stability
* Add support for PXE boot (legacy BIOS only, no UEFI support currently)
* Add support for reloading firmware after flashing without requiring host reboot
* Resolve issue with transmitting at 100/10Mbit using some GBICs
* Fix bug where PPS timestamp could be read incorrectly
* Filter PPS input: Only latch PPS edges which are preceded by a period where PPS
  input is unasserted

20170529
* Improve Flash programming settings to address occasional programming failure

20170117
* Fix bug where the host could lock up if a 1G link was disconnected/interrupted
  during the middle of receiving a frame
* Fixed a bug with PPS output generation
* 1G autoneg enable status is now read back from the card correctly

20161019
* Add support for generation of PPS output
* Add support for latching PPS input on either rising or falling edge
* Add support for local loopback of port traffic back to host
* Fix bug where HW_TIME register could read incorrectly

20160413
* Initial prod release