added a route to get_wegobject
created a view for get_wegobject
created the item_wegobject adapter
added test for get_wegobject route
added requirement for webtest
Merge branch 'master' into adding_route_for_wegobjecten

Conflicts:
	setup.py
view wegobject has to be rendered by an itemrenderer
Merge branch 'adding_route_for_wegobjecten' of https://github.com/OnroerendErfgoed/crabpy_pyramid into adding_route_for_wegobjecten