Computes mean by session
plot learning curves by week
Plot spatial learning of holes 2, 3, and 4
Plot SEM
Plots learning curves for all holes
Plots learning
Merge branch 'feature/commpare-curves' into develop

* feature/commpare-curves:
  Plots learning
  Plots learning curves for all holes
  Plot SEM
  Plot spatial learning of holes 2, 3, and 4
  plot learning curves by week
  Computes mean by session
Scalar property