modify the behavior for mutate_add_node and mutate_add_conn. Currently, this two mutation will just change the structure of the network, but not influence the output for the network.

tensorneat/utils/__init__.py

@@ -1,5 +1,5 @@
-from .activation import Act, act, ACT_ALL
-from .aggregation import Agg, agg, AGG_ALL
+from .activation import Act, act_func, ACT_ALL
+from .aggregation import Agg, agg_func, AGG_ALL
 from .tools import *
 from .graph import *
 from .state import State