Fix loading type for ff 'integer_constants' array.
Skip test if no data.
Merge pull request #1437 from pp-mo/ff_ints

Fix loading type for ff 'integer_constants' array.
Update miniconda install
Merge pull request #1441 from rhattersley/update-miniconda

Update miniconda install
Handling for lbtim.ib=3 intervals
limit double cell method to mean climatologies
another attempt
test changes
doc update
comment update
another doc update
review action