fixed sim_update bug with neurons, fixed warning vs @warn in defs.jl

Author: Sam Buercklin

src/defs.jl

@@ -6,7 +6,7 @@ Evolve the `WaspnetElement` subject to an input `input` a duration of time `dt`
 function update!(ne::WaspnetElement, input, dt, t) end
 
 function update!(ne::AbstractNeuron, input, dt, t)
-    warning("Neurons should use update, not update! function")
+    @warn "Neurons should use update, not update! function"
     return update(ne, input, dt, t)
 end
 
@@ -18,7 +18,7 @@ Reset the `WaspnetElement` to a default state defined by the method.
 function reset!(ne::WaspnetElement) end
 
 function reset!(ne::AbstractNeuron, input, dt, t)
-    warning("Neurons should use reset, not reset! function")
+    @warn "Neurons should use reset, not reset! function"
     return reset(ne, input, dt, t)
 end
 

src/simulate.jl

@@ -123,5 +123,5 @@ end
 Wrapper to ensure that if a 1D array is passed to update a neuron, it is converted to a scalar first
 """
 function sim_update!(neuron::AbstractNeuron, input_update::AbstractArray{T,N}, dt, t) where {T<:Number, N}
-    return update!(neuron, input_update[1], dt, t)
+    return update(neuron, input_update[1], dt, t)
 end