Hotfix 1 for Pre-Alpha 2 Release

A hotfix for recently occuring issues with Pre-Alpha 2 Release.

Also includes a custom favicon for the gui.

Detailed changes

In this small hotfix only a few bugfixes and a small change to the gui were made.

Framework

• Fixed an issue where sometimes setting the channel for twitch chat inputs or outputs didn't work as intended (#80).

• Fixed an issue where event handlers weren't unregistered if a input was stopped (#89).

GUI

• Added a codeoverflow favicon to the gui

Pull Requests

We again had some amazing pull requests that helped us fixing these issues. A big thank you to @daniel0611!

• #86 by @daniel0611: Wait for authentication in twitch bot and report invalid credentials

• #90 by @daniel0611: Pass functions to register method from inputs instead of methods