Implement class MathUtils, fixed Round amount
add commong language 3.3.2
delete StringUtils in Core class and change with NumberUtils
move methods date from application to DateUtils class
remove from application changelog dialog and move donate dialog to DonateDialogUtils
create class TransactionStatus
move method getRawAsString from application to Core class
move method getRawAsString from Core class to new class RawFileUtils
move method resetDonateDialog from application to DonateDialogUtils
move method resetDonateDialog from application to DonateDialogUtils