echo command no longer returns html tags

[dominicbraam]

Description

As stated in issue 25, you can insert html tags into the prompt and it will act as intended.

Fix

The replace function was used to replace html tags with "". On linux, by default, it does not parse characters like < and would need to escape it. Example:

For now it is a simple fix but as the other commands have cheesy responses, maybe instead of "removing" the tags and still outputting the text within them, respond with "Nice try!" ?

Closes: #25