Make failures friendlier

Make return smoketest friendlier
Make requisition smoketest friendlier
Make portal smoketest friendlier
Make login smoketest friendlier
Make loan smoketest friendly
Make batch order spec friendlier
Make batch import spec friendlier
Make batch export spec friendlier
Make admin shared methods friendlier
Make location spec friendlier
Make SRU spec friendlier
Make workbench spec friendly
Make non-Latin spec friendly
Make shared circ methods friendlier
Make patron spec friendlier
Make PURAP spec friendly
Update version info, v1.16.4
Update compatibility info, r18843