Budding Uganda songstress Felister Di Superstar on Wednesday completed her Primary Leaving Examinations (P.L.E) at Kampala Parents School, which is under the proprietorship of tycoon Sudhir Ruparelia’s Ruparelia Foundation. Felister, who was among the over 400 pupils that sat for their P.L.E this year, said that she was positive about passing the exams because she…