removes duplicates in input list in getJoins()
removes duplicates in input list in getJoins()
bretthandrews/marvin,albireox/marvin,bretthandrews/marvin,sdss/marvin,bretthandrews/marvin,albireox/marvin,sdss/marvin,sdss/marvin,sdss/marvin,albireox/marvin,albireox/marvin,bretthandrews/marvin