Allow inventory to be set on a file and command level.
Allow verbosity to be overridden in an ablefile.
Allow verbosity to be specified as vvvv in ablefile.
Allow remote_pass to be set inside ablefile.
Rename user parameter to remote_user.
Allow user parameter to override remote_user in ablefile.
Rework password system to allow them to be overridden at an ablefile level.
Disable bulk of global options, so they can be added when needed.
Add new classes for arguments and options, to allow labels and global settings.
Display label if help string is missing.
Show label for arguments on help page.
Add help command - able help COMMAND