Signature test fixed. New reference signature as api & token secret must be urlencoded.

src/test/java/org/scribe/services/HMACSha1SignatureServiceTest.java

@@ -3,7 +3,7 @@ package org.scribe.services;
 import static org.junit.Assert.*;
 
 import org.junit.*;
-import org.scribe.exceptions.OAuthException;
+import org.scribe.exceptions.*;
 
 public class HMACSha1SignatureServiceTest
 {
@@ -29,7 +29,7 @@ public class HMACSha1SignatureServiceTest
     String apiSecret = "api secret";
     String tokenSecret = "token secret";
     String baseString = "base string";
-    String signature = "cyxvUDZY/5cQBcBiKulaNgnhN/w=";
+    String signature = "uGymw2KHOTWI699YEaoi5xyLT50=";
     assertEquals(signature, service.getSignature(baseString, apiSecret, tokenSecret));
   }