Added testclasses for User- and ShoppingListHandler, some minor changes
Merge pull request #35 from marcSchneiter/master

Added testclasses for User- and ShoppingListHandler, changed returntype of getSL and getItems to arrays
Implemented ExpandableListView
Merge pull request #36 from broggi/master

Implemented ExpandableListView
added some tests, changed item- and shoppinglisthandler
Merge pull request #37 from marcSchneiter/master

added some tests, changed item- and shoppinglisthandler
Continued work on ExpandableListView

Items are shown if there are 5 or less to be bought, otherwise the list
shows up as normal list
Merge pull request #38 from broggi/master

Continued work on ExpandableListView
fixed tests and added some new ones
Merge pull request #39 from marcSchneiter/master

fixed tests and added some new ones
Upadet so that the number of unbought items is displayed at the right border and you can input 0 in the quantity
Merge pull request #40 from cryptedp/master

Upadet so that the number of unbought items is displayed at the right bo...
Fixed item delete
Merge pull request #41 from broggi/master

Fixed item delete
Implemented Edit Item

And did some small additions to ItemHandler...
Merge pull request #42 from broggi/master

Implemented Edit Item
Implemented "Add-Dialogue"
Updated Design to Expandable and Dialogs

(Dialogs for Adding/Editing)
Merge pull request #44 from broggi/master

Changed Design to Expandable with arrow
Created TestProject