cache models in memory insteading from reading from cache
Merge branch 'develop' of https://github.com/unikent/programmes-plant into refactor/optimise
clear memory cache on save
Merge branch 'develop' of https://github.com/unikent/programmes-plant into refactor/optimise
call it api cache, there are other cashes
Merge pull request #791 from unikent/refactor/optimise

Optimise