Missing a --help/-h option

[Andres Almiray]

$ mcs --help
Unknown option: '--help'
Usage: mcs [-V] [COMMAND]
  -V, --version   Show version number
Commands:
  search

$ mcs search --help
Missing required parameter: '<query>'
Usage: mcs search <query>
      <query>   What to search for.
                If the search term contains a colon ( : ), it is considered a literal groupId and artifactId
                Otherwise, the search term is considered a wildcard search