Remove hashed URL mode

Also simplified how view class routing works.

Refs #1661

tests/test_custom_pages.py

@@ -21,61 +21,61 @@ def custom_pages_client_with_base_url():
 
 def test_custom_pages_view_name(custom_pages_client):
     response = custom_pages_client.get("/about")
-    assert 200 == response.status
-    assert "ABOUT! view_name:page" == response.text
+    assert response.status == 200
+    assert response.text == "ABOUT! view_name:page"
 
 
 def test_request_is_available(custom_pages_client):
     response = custom_pages_client.get("/request")
-    assert 200 == response.status
-    assert "path:/request" == response.text
+    assert response.status == 200
+    assert response.text == "path:/request"
 
 
 def test_custom_pages_with_base_url(custom_pages_client_with_base_url):
     response = custom_pages_client_with_base_url.get("/prefix/request")
-    assert 200 == response.status
-    assert "path:/prefix/request" == response.text
+    assert response.status == 200
+    assert response.text == "path:/prefix/request"
 
 
 def test_custom_pages_nested(custom_pages_client):
     response = custom_pages_client.get("/nested/nest")
-    assert 200 == response.status
-    assert "Nest!" == response.text
+    assert response.status == 200
+    assert response.text == "Nest!"
     response = custom_pages_client.get("/nested/nest2")
-    assert 404 == response.status
+    assert response.status == 404
 
 
 def test_custom_status(custom_pages_client):
     response = custom_pages_client.get("/202")
-    assert 202 == response.status
-    assert "202!" == response.text
+    assert response.status == 202
+    assert response.text == "202!"
 
 
 def test_custom_headers(custom_pages_client):
     response = custom_pages_client.get("/headers")
-    assert 200 == response.status
-    assert "foo" == response.headers["x-this-is-foo"]
-    assert "bar" == response.headers["x-this-is-bar"]
-    assert "FOOBAR" == response.text
+    assert response.status == 200
+    assert response.headers["x-this-is-foo"] == "foo"
+    assert response.headers["x-this-is-bar"] == "bar"
+    assert response.text == "FOOBAR"
 
 
 def test_custom_content_type(custom_pages_client):
     response = custom_pages_client.get("/atom")
-    assert 200 == response.status
+    assert response.status == 200
     assert response.headers["content-type"] == "application/xml"
-    assert "<?xml ...>" == response.text
+    assert response.text == "<?xml ...>"
 
 
 def test_redirect(custom_pages_client):
     response = custom_pages_client.get("/redirect")
-    assert 302 == response.status
-    assert "/example" == response.headers["Location"]
+    assert response.status == 302
+    assert response.headers["Location"] == "/example"
 
 
 def test_redirect2(custom_pages_client):
     response = custom_pages_client.get("/redirect2")
-    assert 301 == response.status
-    assert "/example" == response.headers["Location"]
+    assert response.status == 301
+    assert response.headers["Location"] == "/example"
 
 
 @pytest.mark.parametrize(