Installed phpunit, stubbed tests
Added tests, draft implementation of URL normalisation and unparsing
Added encoding test
Put stuff in the right order
Added http_parse_headers shim
Updated my http_parse_headers function to normalise title case in header keys
Implemented followOneRedirect, tested against network
Added mock builder for followOneRedirect, basic greenpath test
Fixed variable scoping issue in mock builder, added test for multiple http redirects
Duplicated tests with https
Added test for insecure http->https redirect
Draft implementation of relMeLinks
Added intial test, TODOs for rel me link discovery