first packets to semi-decode
value lenght prefix found
found packet lenght?
parse_gp2.pl -> gp2_to_human.pl
parse_strace.pl -> strace_to_gp2.pl
gp2_to_human.pl -> sirfbin_gp2_to_human.pl
parse_newfmt.pl -> enc4t_gp2_to_raw4t_gp2.pl
update usage info for strace_to_gp2
output in gp2-alike format
better indicate warnings
docs update
base of the parser
length check, variable-length variables, 0x3D04 command parsed