blacklist changes

- compare all strings as lowercase
 - removed default 'puzzle' keyword

src/main.py

@@ -86,7 +86,7 @@ class SteamGifts:
 
         if self.blacklist is not None and self.blacklist != ['']:
             for keyword in self.blacklist:
-                if giveaway.game_name.find(keyword) != -1:
+                if giveaway.game_name.lower().find(keyword.lower()) != -1:
                     txt = f"Game {giveaway.game_name} contains the blacklisted keyword {keyword}"
                     logger.debug(txt)
                     return False

src/run.py

@@ -35,7 +35,7 @@ class MyConfig(ConfigParser):
             'max_entries': f"{randint(1000, 2500)}",
             'max_time_left': f"{randint(180,500)}",
             'minimum_game_points': '1',
-            'blacklist_keywords': 'hentai,puzzle,adult'
+            'blacklist_keywords': 'hentai,adult'
         }
     }