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/Constants.php

@@ -1,7 +1,8 @@
 <?php
 namespace PayPal\Test;
 
-class Constants {
-	const CLIENT_ID = 'EBWKjlELKMYqRNQ6sYvFo64FtaRLRR5BdHEESmha49TM';
-	const CLIENT_SECRET = 'EO422dn3gQLgDbuwqTjzrFgFtaRLRR5BdHEESmha49TM';
+class Constants
+{
+    const CLIENT_ID = 'EBWKjlELKMYqRNQ6sYvFo64FtaRLRR5BdHEESmha49TM';
+    const CLIENT_SECRET = 'EO422dn3gQLgDbuwqTjzrFgFtaRLRR5BdHEESmha49TM';
 }