Log Message:
py-dpkt: updated to 1.9.8

1.9.8
- Fixed endianness issues in PCAPNG, Loopback
- Improved MPLS unpacking to include IPv6
- Fixed unpacking of multiple records in TLS messages
- Updated docstrings for multiples modules
- Fixed a long-standing issue where serializing IP would change its length
- Fixed IEEE 802.11 Beacon byte ordering
- Graceful handling of PCAPNG option comment UTF-8 decoding errors
- Added support for PCAPNG Packet Block
- Added modpcap reader support