added exceptions file

bin/exceptions.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+# -*- code:utf-8 -*-
+"""
+Name: Video2X Exceptions
+Dev: K4YT3X
+Date Created: December 13, 2018
+Last Modified: December 19, 2018
+"""
+
+
+class ArgumentError(Exception):
+    def __init__(self, message):
+        super().__init__(message)
+
+
+class InvalidModelType(Exception):
+    def __init__(self, message):
+        super().__init__(message)