Added addrtype match.
Added connbytes match.
--connbytes-dir and --connbytes-mode arguments are shown and completed.
Don't complete on option requests after -m.
Added eui64 match.
Added length match.
Added owner match. Users and groups are shown and completed.
Added sctp match. Chunk types are shown and completed.
Flags are only shown.
Fixed a bug where COMP_WORDS was eventually called with a negative index.
Fixed a bug, where -t and -v where not shown if command was -P.
Check if prev is an option if an option is requested.
This makes things safer.
Update Readme.md