Don't deduplicate global messages (NICK/QUIT)

utils/dedup.py

@@ -6,6 +6,8 @@ import main
 from utils.logging.debug import debug
 
 def dedup(numName, b):
+    if b["type"] in ["quit", "nick"]:
+        return False # QUITs and NICKs can't be duplicated, they are global and duplications are likely
     c = deepcopy(b)
     if "time" in c.keys():
         del c["time"]