Thiru | #1028 | Added PENT1, PENT2, PENT3 MCTS indicator.
Thiru | #1028 | Added MEASLES, MEASLES_BOOSTER, MR MCTS indicators.
Thiru | #1028 | Added VITA4, VITA5, VITA6, VITA7, VITA8, VITA9 MCTS indicators
Thiru | #1028 | Added PNCH Y, MD MCTS indicators and renamed CD Y to CD
Thiru | #1028 | Fixed an issue with rules where it returns null when the value is not present