Bug fix/maintenance release:

• Fix segfault on malformed 802.1q header (author: aapo, issue #4)
• Fix segfault on malformed IPIP header (issue #5)
• Support for OpenSSL >= 1.1.0 (author: jumrc)
• Global code cleanup: Doxygen comments, source code split

• Autotools update to ensure OS X compatibility (10.9 with MacPorts)
• Warnings cleanup

• Ported to FreeBSD
• Better error messages
• Internal clean up
• Clean unit tests leftovers on make clean

• Support for 6in4 protocol (IPv6 encapsulated within IPv4)
• Remove virtual lan (IEEE 802.1Q) header
• (dev) Switch back to Autotools build system
• (dev) Unit testing through pcap samples