New major release of TomP2P 4.0.0. The new major features are:
- Better UPNP support and new NAT-PMP (jNAT-PMPlib) support.
- New persistent connections, because the user knows best when a connection should stay open.
- New connection handling and connection reservation.
- Upgraded libraries (Netty, Guava, BerkleyDB).
- Lots of fixes.
