Add TV4Fun to credits

Author: Pidgeot

tkgui/tkgui.py

@@ -580,7 +580,7 @@ def show_about():
             title='About', message="PyLNP "+VERSION +" - Lazy Newb Pack Python "
             "Edition\n\nPort by Pidgeot\nContributions by PeridexisErrant, "
             "rx80, dricus, James Morgensen, jecowa, carterscottm, McArcady, "
-            "fournm, rgov, cryzed, pjf\n\n"
+            "fournm, rgov, cryzed, pjf, TV4Fun\n\n"
             "Original program: LucasUP, TolyK/aTolyK")
 
     @staticmethod