added wider scope playlist counting and handling for unknown image sizes

fmframework/model/fm.py

@@ -15,6 +15,8 @@ class Image:
         medium = 2
         large = 3
         extralarge = 4
+        mega = 5
+        other = 6
 
     def __init__(self, size: Size, link: str):
         self.size = size

fmframework/net/network.py

@@ -310,7 +310,10 @@ class Network:
 
     @staticmethod
     def parse_image(image_dict) -> Image:
+        try:
             return Image(size=Image.Size[image_dict['size']], link=image_dict['#text'])
+        except KeyError:
+            return Image(size=Image.Size['other'], link=image_dict['#text'])
 
     @staticmethod
     def parse_scrobble(scrobble_dict) -> Scrobble: