Added handling of unversioned models. The model version check was working on the assumption that the model URL was a directory. Now it handles individual model files.
Added handling of unversioned models. The model version check was working on the assumption that the model URL was a directory. Now it handles individual model files.

realmacsoftware/ensembles,drewmccormack/ensembles,ChronicStim/ensembles,ChronicStim/ensembles,drewmccormack/ensembles,realmacsoftware/ensembles