Add help & version flags

Dependencies

• [2] P37JFWNE Add basic completions (working)
• [3] ZVCZHGZN Add pijul-change
• [*] APJU3BKK Add basic commands

Change contents

• edit in pijul.fish at line 6
  [2.106]

  [2.106]
  +
• replacement in pijul.fish at line 26
  [2.2345]→[2.2345:2449](∅→∅)
  − complete -f -c pijul -n "not __fish_seen_subcommand_from $commands" -a "help" -d "Print pijul help text"
  [2.2345]
  + complete -f -c pijul -n "not __fish_seen_subcommand_from $commands" -a "help" -d "Print pijul help text"

  +

  + complete -f -c pijul -s h -l help -d "Print help information"

  + complete -f -c pijul -s V -l version -d "Print version information"