- hastype() Packet methods renamed to haslayer()
- added getlayer() Packet method
- added padding detection for layers that have a length field
- added fragment() that fragment an IP packet
- added report_ports() to scan a machine and output LaTeX report
appended for raw substitution (ex: IP.flags=0x18 instead of SA), nb is the number of the layer we want
(ex: for IP/IP packets, IP:2.src is the src of the upper IP layer). Special case : "%.time" is the creation time.
Ex : p.sprintf("%.time% %-15s,IP.src% -> %-15s,IP.dst% %IP.chksum% %03xr,IP.proto% %r,TCP.flags%")