Neighbourhood receives multicast packets.
DEBUG_MESSAGE() macro handles now GlibError.
Extend Error template with handling error codes.
Write custom glib_ptr class template.
Extend glib_ptr with constructors and methods.
Implement helper structures for using GInetSocketAddress as a key in unordered_map.
Fix mistakes in std::hash and std::equal_to specializations.
Introduce tests for utilities.
Implement GlibReference::reference().