added basic objects
added public keyword
- added custom exception
- changed type of Items property
added initial unit test project with simple test
- added private variables
- added Constructor
- changes to unit tests
added unit test for Book
added test for Movie
deleted comments from test from WishList
added unit test for WishList.Download + simple method definition
download web page into string
- modified GUI - reading URL from TextBox
- added download of page and parsing wishlist items into collection
- modified test - download URL
-resolve situation when there is no author
-added row colors
-update test according to num. of wishlist items
update test (number of items in wishlist)