0.4.0

• Use conditional compilation to avoid using NOTE_OOB, NOTE_SIGNAL on FreeBSD (#18, @DavidAlphaFox)
• Disable EVFILT_EXCEPT on OpenBSD (#18, @DavidAlphaFox)

0.3.0

• Support EVFILT_USER

0.2.0

• Remove the use of ctypes
• Limit support to 64 bit systems
• Add pre-defined constants for filter flags

0.1.0

• Initial version of kqueue-ml