Bumped up the required version of Python required

Hacky fix for #1
Could use a compatibility mode when the version is detected as lower, though I currently don't have the time to do this at the moment

README.md

@@ -4,7 +4,7 @@ A http server made for streaming Melty Blood
 [Video Demonstration](https://www.youtube.com/watch?v=5g_8LMq0-JA)
 
 ## Dependencies
- - [Python 3.6.x (Could be ran on a lower version, I haven't tested it yet.)](https://www.python.org/downloads/release/python-395/)
+ - [Python 3.7.x or higher](https://www.python.org/downloads/release/python-396/)
  - [flask](https://pypi.org/project/flask/)
 
 ## Installation