Improve confif class

Full OK
Environment class review
Full options class review
Static var for options
Filters static
Second read of Extensions classes
Fixes syntax error
Not used and deprecated. Transition to SimpleXML.
Wrap API Answer class
Interfaces EndPoint for API
Fixes Answer draft
Expend API Point class
Minify JS in themes
Add all API points as classes
Keyword review
Hmm HTTP use Request, need review to simplify the structure
Some Headers improvements
Full URL rewrite with Purl implementation
Fixes Redirect calls
Now directly implemented in URL, with the help of Purl