ignore phpunit configuration file
add initial test stubs for the API model
Merge branch 'develop' into feature/enhance-tests
test subject index listing and preview of API
throw an exception if a revision isn't found in a revisionable object
test preview and data
Throw an exception is the programme isn't found
tests for get_data, combine_programme, merge_related_courses, remove_ids_from_field_names, array_to_xml, get_xcrified_programme methods
remove unnecessary test
Merge pull request #396 from unikent/feature/enhance-tests

Tests for API model