Patch to hack query param support into osm-auth.js

1.patch

diff --git a/index.js b/index.js
index ebb19f4..c48dff1 100644
--- a/index.js
+++ b/index.js
@@ -169,6 +169,13 @@ module.exports = function(o) {
                 oauth_token_secret = token('oauth_token_secret');
             var url = (options.prefix !== false) ? o.url + options.path : options.path;
 
+            var url_parts = url.split('?', 2),
+                base_url = url_parts[0];
+
+            if (url_parts.length === 2) {
+                params = xtend(params, ohauth.stringQs(url_parts[1]));
+            }
+
             // https://tools.ietf.org/html/rfc5849#section-3.4.1.3.1
             if ((!options.options || !options.options.header ||
                 options.options.header['Content-Type'] === 'application/x-www-form-urlencoded') &&
@@ -180,10 +187,10 @@ module.exports = function(o) {
             params.oauth_signature = ohauth.signature(
                 o.oauth_secret,
                 oauth_token_secret,
-                ohauth.baseString(options.method, url, params));
+                ohauth.baseString(options.method, base_url, params));
 
             return ohauth.xhr(options.method,
-                url, params, options.content, options.options, done);
+                base_url, params, options.content, options.options, done);
         }
 
         function done(err, xhr) {