add neuroplasticity

src/Ironpen.jl

@@ -34,8 +34,6 @@ using .interface
 
 """ 
     Todo:
-        [3] verify that model can complete learning cycle with no error
-        [*2] neuroplasticity() i.e. change connection
         [] using RL to control learning signal
         [] consider using Dates.now() instead of timestamp because time_stamp may overflow
         [] training should include adjusting α, neuron membrane potential decay factor
@@ -58,6 +56,7 @@ using .interface
         [DONE] reset_epsilonRec after ΔwRecChange is calculated
         [DONE] synaptic connection strength concept. use sigmoid, turn connection offline
         [DONE] wRec should not normalized whole. it should be local 5 conn normalized.
+        [DONE] neuroplasticity() i.e. change connection
 
     Change from version:    v06_36a
         -