Thanks for submitting a PR! Please fill in this template where appropriate:

## Category

(Bug / module / extension / core functionality / documentation / tests)

## Feature/Issue Description

This Module is added to ...
This Extension is used by doing ...
This Bug can be reproduced by ...
The  Documentation describes ...
This Test covers ...


## Describe what changes 
Describe how the change affects BeEF's usability ...
Describe how to replicate the issue/bug that this is fixing ...
Describe what this improves

## Test cases
Describe what the goal of the test is, what it covers and if there are any use cases that still need to be covered.
spec/beef/extensions/example_extension.rb

## Relevant wiki page
If it is not easily understandable without little pre-knowledge or context, there should be a section in the Wiki somewhere explaining it.