Added unescapeHTMLEntities function to HTML Parser
Utilized unescapeHTMLEntities function on attributes value in start tag function
Fixed html not a string break in unescapeHTMLEntities function
Add two tests for numerical HTML escaped Entities in ressources, like DFP6 produces in sync mode
Merge pull request #55 from AndyOGo/fix-DFP6-sync-mode-escaped-HTML-Entities

Fix dfp6 sync mode escaped html entities