Follow bash-completion package behaviour regarding
COMP_KNOWN_HOSTS_WITH_HOSTFILE variable and hostname completion.
Update README.md
Use --protocol instead of --proto.
Update Readme.md.
Minor code cleanup.
Fox syntax error, early closing ]].
Flag list of set match is now generated inline.
Remove a check for policy match option --proto.
Fix an extglob syntax error.
Remove some return instructions.
Fix sctp match --chunk-types completion.
Limitation: type:flag/type,typelist completion is performed only once.
Replace some case with if instructions.
Little more debugging output.
Allow multiple option arguments for --chunk-types.
Check for bash v4+ if the bash_completion package is available.
Don't Complete on options if cword-2 is --chunk-types.
Bump version to 1.0-alpha-12.