v1.4

Updated DG and UG, and Fixed bugs

v1.3

Features for v1.3

1. Enhanced the UI
2. Added addHouse command to add new houses to a Seller
3. Added deleteHosue command to delete existing house from a Seller
4. Added editBuyer and editSeller commands to edit a Buyer or Seller respectively.
5. Added matchBuyer command to find houses that meets the preference of a Buyer
6. Added view command to view more details of a person

v1.2.1

Features for 1.2.1

1. Add Budget to Buyer
2. Update view to display houses for Seller
3. Update Storage to be able to Load and Save both Buyers and Sellers
4. Update storage to be able to Load and Save Houses

v1.2

Features for v1.2

1. Display contacts list (including both seller and buyer)
2. Add seller
3. Add buyer
4. Delete person

AddCommand has been removed and changed to AddSellerCommand and AddBuyerCommand.
New classes are added, including Buyer, Seller, House, Landed, NonLanded, Block, Level, PostalCode, Street, UnitNumber.
Json files related to seller has been changed.