Top level flags have no documentation

[rumpelsepp]

Flags such as --version have no documentation.

$ gallia --help
usage: gallia [-h] [--version] [-v] [--show-plugins] [--show-config] [--template] {discover,primitive,scan,script,fuzz} ...

commands:
  {discover,primitive,scan,script,fuzz}
    discover            discover scanners for hosts and endpoints
    primitive           protocol specific primitives
    scan                scanners for network protocol parameters
    script              miscellaneous helper scripts
    fuzz                fuzzing tools

options:
  --version
  -v
  --show-plugins
  --show-config
  --template

help:
  -h, --help            show this help message and exit