WebHost: Add youtube livestreaming and autogenerated multistream link

WebHostLib/__init__.py

@@ -2,7 +2,6 @@
 So unless you're Berserker you need to include license information."""
 
 import os
-import threading
 
 from pony.flask import Pony
 from flask import Flask, request, redirect, url_for, render_template, Response, session, abort
@@ -24,6 +23,9 @@ def allowed_file(filename):
 app = Flask(__name__)
 Pony(app)
 
+app.jinja_env.filters['any'] = any
+app.jinja_env.filters['all'] = all
+
 app.config["SELFHOST"] = True
 app.config["SELFLAUNCH"] = True
 app.config["DEBUG"] = False