Store better cache keys
Store better cache keys

The md5sums were ok, but made errors hard to read and made it difficult to introspect the cache, this is better.

thecoolestguy/ilios,dartajax/ilios,stopfstedt/ilios,stopfstedt/ilios,thecoolestguy/ilios,ilios/ilios,dartajax/ilios,ilios/ilios