Merge pull request #40 from indieweb/fix-travis remove old php versions and add 7.3 and 7.4
add function to set user agent
include */* in accept header
update coverage report
Merge pull request #26 from aaronpk/master use Mf2 library to parse rels
Merge pull request #25 from aaronpk/master adds failing test and fix for #24
Update example.php with new API
Merge pull request #20 from aaronpk/master update php-mf2 dependency, add tests for relative protocol resolving
follow redirects when searching for the webmention endpoint
fix http response object