Enforce specific selectors on rollback / restore

[DrexHD]

• Rollbacks / restores (and preview) now require a range and (a source or a time) to prevent accidental global rollbacks.
• Command parameters can now be hovered for a simple description

[AzimovUA]

Why don't you add also @global like in CoreProtect, instead you making it impossible for global rollbacks, when it can be actually needed.