added help; added possibility to drop all tables in database
added help; added possibility to drop all tables in database

saklar13/Meowth,uaprom-summer-2015/Meowth,saklar13/Meowth,uaprom-summer-2015/Meowth,uaprom-summer-2015/Meowth,saklar13/Meowth,uaprom-summer-2015/Meowth,saklar13/Meowth