Version 0.2.1 (17 May 2016)
---------------------------
- Fixed FQ-Codel/FQ-PIE over-limit checking
- Fixed CoDel/FQ-Codel isqrt initial value that can cause wrong isqrt guessing
- Fixed kernel panic when unloading dummynet module while there is a busy
  PIE AQM
- Fixed kernel panic when reconfigure busy droptail pipe to use CoDel/PIE AQM
- Fixed mismatch FQ-Codel/FQ-PIE quantum boundaries with the technical report

Version 0.2 (18 April 2016)
---------------------------
- Added PIE and FQ-PIE AQM
- Fixed ECN implementation of CoDel and FQ-CoDel
- Fixed FQ-Codel perturbation bits in hash calculation
- Fixed compilation and loading error in i386 platform
- Fixed double increment of Dummynet io_pkt_drop counter
- Changed default FQ-CoDel ECN to enable
- Changed CoDel/FQ-CoDel count variable size to 32-bit
- Changed time resolution from millisecond to microsecond
- Changed time unit for ipfw userland AQM parameters from millisecond
  to time with units i.e. s, ms and us
- Code clean-up and little fixes

Version 0.1 (26 February 2016)
------------------------------
- First release of CoDel and FQ-CoDel  for FreeBSD's ipfw/dummynet
  framework.