Various improvements to layers
Various improvements to layers

ktaneishi/deepchem,miaecle/deepchem,rbharath/deepchem,lilleswing/deepchem,Agent007/deepchem,ktaneishi/deepchem,ktaneishi/deepchem,rbharath/deepchem,Agent007/deepchem,deepchem/deepchem,miaecle/deepchem,miaecle/deepchem,peastman/deepchem,deepchem/deepchem,peastman/deepchem,lilleswing/deepchem,lilleswing/deepchem,Agent007/deepchem