Add tests for oboe node function and remove superfluous oboe declaration.

oboe/oboe-tests.ts

@@ -32,3 +32,18 @@ oboe('/content')
 			console.error('no such content');
 		}
 	});
+
+oboe('friends.json')
+	.node('friend', function (parsedJson) {
+		console.log('friend parsed', parsedJson);
+	});
+
+oboe('friends.json')
+	.node({
+		'friend': function (parsedJson) {
+			console.log('friend parsed', parsedJson);
+		},
+		'!': function (parsedJson) {
+			console.log('root parsed', parsedJson);
+		}
+	});

oboe/oboe.d.ts

@@ -65,6 +65,5 @@ declare module oboe {
 declare var oboe: oboe.OboeFunction;
 
 declare module "oboe" {
-	var oboe: oboe.OboeFunction;
 	export = oboe;
 }