Updated documentation
Implemented classes
Implemented Classes
Added my synchronous XhrIo object.  This will be needed later when implementing the request object.  It also may be removed to provide a functional callback to make it async again.
Implemented the interface
Implemented the 2.0 extractor
Implemented the last extractor
Added access token extractor
Added base string extractor
Added header extractor
Updated implements statements
Added json token
Added base string extractor
Added header extractor