1 - IPv6 support. Remember to change the addressv4 to address, so both can work at
4 - Make it configurable if an IP should be reached by IPv4only or IPv6only or
7 - QoS-Flags of the ping packets should be configurable.
9 - Make the log level configurable.
11 - In boost-net-dns/network_array.hpp fix the type-punning to enforce better type
12 checking. Also allows the optimization -O2 on GCC with strict-aliasing warning.
14 - Make the configuration file reloadable (see bpdyndns).
16 - Unit Test with boost::test.
18 - Doxygen documentation