Adding comment on save suggestion function in ControllerSuggestion class
Adding comment on getStarImage function in ControllerRanking class
Adding comment on all DataValidation class's functions
Commenting all functions from ProfileUBSDAO class
Adding getRank and getInstanteRankingDAO comments in RankingDao class
Adding comments in functions from StateDAO class
Adding comments on the functions of StatisticsDAO class
Adding comments on saveSuggestionInDatabase function in SuggestionsDAO class