DEDataArray saveat fix

Author: ChrisRackauckas

REQUIRE

@@ -1,5 +1,5 @@
 julia 0.5
-Parameters 0.5.0 0.6.0
+Parameters 0.5.0
 DiffEqBase 0.11.0
 RecursiveArrayTools 0.2.0
 DataStructures 0.4.6

src/integrators/integrator_utils.jl

@@ -75,8 +75,13 @@ end
     if integrator.opts.saveat!=integrator.t # If <t, interpolate
       Θ = (curt - integrator.tprev)/integrator.dt
       val = sde_interpolant(Θ,integrator,indices(integrator.uprev),Val{0}) # out of place, but force copy later
+      if eltype(integrator.sol.u) <: DEDataArray
+        save_val = copy_non_array_fields(integrator.uprev,val)
+      else
+        save_val = val
+      end
       copyat_or_push!(integrator.sol.t,integrator.saveiter,curt)
-      copyat_or_push!(integrator.sol.u,integrator.saveiter,val,Val{false})
+      copyat_or_push!(integrator.sol.u,integrator.saveiter,save_val,Val{false})
       if typeof(integrator.alg) <: StochasticEqCompositeAlgorithm
         copyat_or_push!(integrator.sol.alg_choice,integrator.saveiter,integrator.cache.current)
       end