Rename ambigous function

[NeffIsBack]

Description

It was never clear to me what --sessions exactly does. After digging into the MS Documentation it looks like this explicitely lists all SMB sessions. In order to properly distinguish it from options like --qwinsta (see #445) i would opt to rename it.

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Screenshots (if appropriate):

Checklist:

• I have made corresponding changes to the documentation (PR here: https://github.com/Pennyw0rth/NetExec-Wiki)