Initial commit
initial commit with Init class
changed from class Init to Session
changed the amount of account, income, expenses and balance type from 'double' to 'float'
Moved singleton to session and added sql data model for expensesCategories
added incomescategoriesmodel and get function for income,expenses categories model
added some comments to the function definition
removed the date entry for table `accountType`
added accountType model and it's updating function
changed to auto update expenses / income / accounttype model in Session constructor
added currency model and method to update and retrieve it
added accountModel and activeAccountModel and it's method to select and get
added filter for activeAccountModel
added accounts object skeleton
added function definition for Accounts class
completed updateBalance function
added code for openAccount function
added account id validity checking function
added semi-completed code for close account function
added update balance table to updateBalance function
completed the close account function with update balance table code