In fetch_all_by_Slice_constraint():
In fetch_all_by_Slice_constraint():

  Add the parameters bound with bind_param_generic_fetch() to the cache
  key.

  Also some rearrangement of logic.

Ensembl/ensembl,at7/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,danstaines/ensembl,mjg17/ensembl,Ensembl/ensembl,at7/ensembl,at7/ensembl,willmclaren/ensembl,muffato/ensembl,willmclaren/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,at7/ensembl,muffato/ensembl,muffato/ensembl,danstaines/ensembl,mjg17/ensembl,Ensembl/ensembl,danstaines/ensembl,mjg17/ensembl,muffato/ensembl,james-monkeyshines/ensembl