Made revalidation sooner.
Clean up documentation
Change To Undergraduate - 404 On Postgraduate
Correct test for new URL schema
Remove any reference to type in API controller
Merge pull request #247 from unikent/bug/correct-cache-codes-on-api

Ensure Caching Policy Is Correct
Merge pull request #245 from unikent/feature/module-update-on-live

Feature/module update on live
Merge branch 'develop' into refactor/change-to-undergraduate

Conflicts:
	application/controllers/api.php
Merge pull request #248 from unikent/refactor/change-to-undergraduate

Change To Undergraduate
Merge branch 'develop' of https://github.com/unikent/programmes-plant into feature/module-update-on-live