test Purchase
PurchaseTest to PurchaseIntoTableModelTest
HistoryTableModel (new getItems)
HistoryTableModelTest
HistoryTableModel (new getItems() )
HistoryTableModelTest


Merge branch 'master' of https://github.com/MadisKarli/TeamEdward.git

Conflicts:
	POS/src/ee/ut/math/tvt/salessystem/ui/model/HistoryTableModel.java
	POS/test/PurchaseInfoTableModelTest.java
	POS/test/StockTableModelTest.java