port cc!ban and cc!unban to v13

[mikejoh12]

What issue is this solving?

Closes #244

Description

Ported cc!ban and cc!unban to v13 branch.

Any helpful knowledge/context for the reviewer?

• Is a re-seeding of the database necessary? No
• Any new dependencies to install? No

Please make sure you've attempted to meet the following coding standards

• [X] Code has been tested and does not produce errors
• [X] Code is readable and formatted
• [X] There isn't any unnecessary commented-out code

[Shaylin-8bit]

Looks good to me.