Merge pull request anudeepND#164 from mwoolweaver/master

remove error prone total_changes function introduced in anudeepND#158

Merge pull request anudeepND#159 from anudeepND/patch-1

Update readme to reflect the changes in whitelist 2.0 update

Added cdns.gigya.com

Added secure.avangate.com - Payment gateway

anudeepND#25