Resizing the column widths to the contents in the TransactionsPanel.
Added new class: AccountsPanel.
Added the AccountsPanel to the MainWindow.
Added new class: AccountsTableItemGenerator.
Using the AccountsTableItemGenerator in the AccountsPanel.
Setting the color of the value in the accounts table.
Added new class: DateValueTableItemCreator.
Setting the account pointer for the table items in the DateValueTableItemCreator.
Does not set the account pointer in the DateValueTableItemCreator.
Setting the account pointer in the AccountsTableItemGenerator.
Using the DateValueTableItemCreator class in the AccountsPanel.