correct spelling mistake
Merge pull request #67 from JamesGlover/correct_spelling_mistake

correct spelling mistake
track data_access_group
Merge pull request #68 from JamesGlover/56782550_add_data_access_group_to_study_metadata

56782550 add data access group to study metadata
Update data acces column type
Merge pull request #69 from JamesGlover/fix_data_access_group_column

Fix data access group column
Add donor_id to sample
Merge pull request #70 from JamesGlover/add_donor_id_to_sample

Add donor_id to sample