##User
- Set-NessusUser - For changing a specified Nessus user settings.
- Set-NessusScanSchedule - Schedule a nessus scan.
- New-NessusScan - Create a new nessus scan.
- Make functions work with Policy Name as a parameterset.
- Add functions for rest of settings.
- Add functions to set credentials.
- Get-NessusRule - Returns the current user plugin rules.
- Delete-NessusRule - Deletes a plugin rule.
- New-NessusRule - Creates a new plugin rule for the current user.
- Set-NessusRule - Modify a plugin rule for the current user.
- Create Pester test scripts.
- Create XML Help for all functions