Replaced 'tweak' -> 'fuzz'. Removed unused imports.

.ci_scripts/run-all-pcaps.sh

README.md

src/packet/ARP.py

src/packet/BOOTP.py

src/packet/CoAP.py

src/packet/DNS.py

src/packet/HTTP_Request.py

src/packet/ICMP.py

src/packet/IGMP.py

src/packet/IGMPv3mr.py

src/packet/IPv4.py

src/packet/IPv6.py

src/packet/Packet.py

src/packet/TCP.py

src/packet/Transport.py

src/packet/UDP.py

src/packet/mDNS.py

src/pcap_fuzzer.py