Panic on unexpected argument provided

[sdsznsk]

Tools (complete and add to the following information):

• HEMTT: 1.12.4
• Operating System: Windows

Description:
When providing an unexpected parameter into hemtt main binary, it's panicking instead of graceful exit with help.

Steps to reproduce:

1. Download hemtt
2. Run hemtt -v

Expected behavior:
Graceful exit with an error message stating that unexpected argument was provided

Logs:
ERROR panicked at bin\src\lib.rs:146:14:

PS G:\> hemtt -v
ERROR panicked at bin\src\lib.rs:146:14:
internal error: entered unreachable code

Oh no! HEMTT has crashed!
This is a bug in HEMTT itself, not necessarily your project.
Even if there is a bug in your project, HEMTT should not crash, but gracefully exit with an error message.

Support for HEMTT can be found on:
GitHub (https://github.com/BrettMayson/HEMTT)
#hemtt on the ACE 3 Discord (https://acemod.org/discord)

The log from the most recent run can be found in `.hemttout/latest.log`.

It is always best to the include the log and a link to your project when reporting a bug, this will help reproduce the issue.

Additional context:
Just a small issue but submitting it just in case.