Update README.md
Update README.md
Added bin/compare_packets.py
- This script prints the difference between b.wiki.vg packets and McClient packets. (shallow)
- This script is extremely ugly, hacky, and scripty
Fixed typo in compare_packets.py output.
Updated PROTOCOL_VERSION, to 74
Merge branch 'prtcl_74' of github.com:dkkline/McClientLib into prtcl_74