added quality options and fixed bugs

bin/arg_assembly.py

@@ -0,0 +1,15 @@
+class ArgAssembly:
+    def __init__(self):
+        pass
+
+    def get(self, quality):
+        if quality == "2x":
+            return "Performance"
+        elif quality == "1.7x":
+            return "Balanced"
+        elif quality == "1.5x":
+            return "Quality"
+        elif quality == "1.3x":
+            return "UltraQuality"
+        else:
+            raise Exception