Allow newer versions of mtl and transformers.
Allow newer versions of mtl and transformers.

snapframework/snap-server,k-bx/snap-server,23Skidoo/snap-server,sopvop/snap-server,23Skidoo/snap-server,sopvop/snap-server,23Skidoo/snap-server,snapframework/snap-server,snapframework/snap-server,k-bx/snap-server