update TODO

src/Ironpen.jl

@@ -34,12 +34,12 @@ using .interface
 
 """ 
     Todo:
-        [] implement connection strength based on right or wrong answer
-        [] during 0 training if 1-9 output neuron fires, adjust weight only those neurons
-        [] implement dormant connection 
+        [1] implement connection strength based on right or wrong answer
+        [2] during 0 training if 1-9 output neuron fires, adjust weight only those neurons
+        [3] implement dormant connection 
         [] using RL to control learning signal
         [] consider using Dates.now() instead of timestamp because time_stamp may overflow
-        [*1] training should include adjusting α, neuron membrane potential decay factor
+        [4] training should include adjusting α, neuron membrane potential decay factor
             which defined by neuron.tau_m formula in type.jl
 
         [DONE] each knowledgeFn should have its own noise generater