Support for relative URLs, fixed absolutization of URLs
Implemented microformats2 authorship algorithm
Generic getter & caller for nested microformats2 items
Added authorship algorithm tests (Grunt / PHPUnit)
Added specific parser specific item classes incl. generic getter &
caller for microformats2 items
Added microformats2 vocable verification
Added support for parser specific item class
Added string serialization
Implemented microformats2 authorship algorithm
Improved demo page