unbreak CUDA wrt backendclass changes
Small changes to deal with Backend class changes.
Add tests for CUDA backend... having problems.
Attempt to turn cache flushing on but it doesn't actually work.  Deleting the cache manually does.
Tweak name and export defaultTrafoConfig
Oops -- accidentally regressed cabal file.  Fixed.
fix to prev
comment only
Augment CUDA to have a list of all available GPUs as Backends
Make runRaw temporarily synchronous