Updated ArtActivityInterface
Added another filter option to QueryParam
Some xml parsing inside ArticleAsyncTask
Added all fields in Traff.java
Removed Traff.java, using Article.java instead
Generated gets and sets in Article.java
Removed duplicate fields
More work on XML parsing for the new filter
More work on XML parsing in ArticleAsyncTask
Inital testing of ArticlesAsyncTask. Retriever class improved. QueryParam now only accessible inside net package
Start testing on ArticlesAsyncTask
Rearranged test-files for net-classes
Started testing. Something in xml parsing of <traff> doesn't work properly