Merge branch 'issue77_2' into 'master'

try to address hashing/equality problems and fix caches

See merge request !72
5 jobs for master in 16 minutes and 4 seconds (queued for 9 minutes and 47 seconds)
Status Name Job ID Coverage
  Test
passed test_min #163296

00:01:16

passed test_mpi #163297

00:02:27

passed test_mpi_fftw #163298

00:02:47

passed test_mpi_fftw_hdf5 #163299

00:03:42

45.0%
 
  Release
passed release_image_master #163300

00:05:50