Enabled EC Parameters support

- Updated Api to enabled EC Parameters
- Updated Tests
- Updated Logging Manager
- Added a feature to do validation on accessors.

tests/PayPal/Test/Exception/PPInvalidCredentialExceptionTest.php

@@ -1,5 +1,6 @@
 <?php
 use PayPal\Exception\PPInvalidCredentialException;
+
 /**
  * Test class for PPInvalidCredentialException.
  *
@@ -33,8 +34,9 @@ class PPInvalidCredentialExceptionTest extends \PHPUnit_Framework_TestCase
      */
     public function testErrorMessage()
     {
-      $msg = $this->object->errorMessage();
-      $this->assertContains('Error on line', $msg);
+        $msg = $this->object->errorMessage();
+        $this->assertContains('Error on line', $msg);
     }
 }
+
 ?>