Try pathname, if no path is specified

Closes #72

index.js

@@ -48,6 +48,10 @@ function got(url, opts, cb) {
 		'accept-encoding': 'gzip,deflate'
 	}, lowercaseKeys(opts.headers));
 
+	if (opts.pathname) {
+		opts.path = opts.pathname;
+	}
+
 	if (opts.query) {
 		if (typeof opts.query !== 'string') {
 			opts.query = querystring.stringify(opts.query);

test/test-arguments.js

@@ -48,7 +48,7 @@ test('overrides querystring from opts', function (t) {
 
 test('pathname confusion', function (t) {
 	got({protocol: 'http:', hostname: s.host, port: s.port, pathname: '/test'}, function (err) {
-		t.ok(/http:\/\/localhost:6767\/test response code/.test(err));
+		t.error(err);
 		t.end();
 	});
 });