Added url params before making the connection

Renamed method to keep consistency

src/main/java/org/scribe/model/Request.java

@@ -61,9 +61,10 @@ class Request
 
   private void createConnection() throws IOException
   {
+    String effectiveUrl = URLUtils.appendParametersToQueryString(url, querystringParams);
     if (connection == null)
     {
-      connection = (HttpURLConnection) new URL(url).openConnection();
+      connection = (HttpURLConnection) new URL(effectiveUrl).openConnection();
     }
   }
 
@@ -119,7 +120,7 @@ class Request
    * @param key the parameter name
    * @param value the parameter value
    */
-  public void addQuerystringParam(String key, String value)
+  public void addQuerystringParameter(String key, String value)
   {
     this.querystringParams.put(key, value);
   }

src/main/java/org/scribe/oauth/OAuth20ServiceImpl.java

@@ -59,7 +59,7 @@ public class OAuth20ServiceImpl implements OAuthService
    */
   public void signRequest(Token accessToken, OAuthRequest request)
   {
-    request.addQuerystringParam(OAuthConstants.ACCESS_TOKEN, accessToken.getToken());
+    request.addQuerystringParameter(OAuthConstants.ACCESS_TOKEN, accessToken.getToken());
   }
 
   /**

src/test/java/org/scribe/model/RequestTest.java

@@ -69,8 +69,8 @@ public class RequestTest
   public void shouldAllowAddingQuerystringParametersAfterCreation()
   {
     Request request = new Request(Verb.GET, "http://example.com?one=val");
-    request.addQuerystringParam("two", "other val");
-    request.addQuerystringParam("more", "params");
+    request.addQuerystringParameter("two", "other val");
+    request.addQuerystringParameter("more", "params");
     assertEquals(3, request.getQueryStringParams().size());
   }