- updated to 0.18
[Bugfixes]
- CPAN RT #77807: Net::Pcap is no longer limited to one callback function,
thanks to a patch by James Rouzier.
- CPAN RT #55163: Typo in eg/pcapdump (Iain Arnell and Jose Pedro Oliveira).
- CPAN RT #83842: Typo in Net:Pcap (Xavier Guimard).

[API]
- Added pcap_offline_filter() (Martijn Lievaart).

[Code]
- use warnings (David Farrell).

[Documentation]
- Moved HISTORY from README to main documentation.
- Rewrote AUTHORS to acknowledge all contributors.
- Updated copyright years.

[Tests]
- Added timeouts to prevent tests from hanging (Patrice Auffret).
- t/17-lib_version.t: adjust regexp to match Apple builds (David Farrell).
- t/50-poe-component-pcap.t: small improvments.
- Added t/50-net-pcap-easy.t to test with Net::Pcap::Easy.
- Added t/50-anyevent-pcap.t to test with AnyEvent::Pcap.
- Make t/50-* pass with old versions of Test::More

[Distribution]
- Converted the Changes file to CPAN::Changes::Spec format.
- Makefile.PL: append CCFLAGS to $Config{ccflags} instead of overriding it.
- Makefile.PL: now dies when libpcap isn't found.