Ditch separate link elements in favor of link members
Die with error if optional content doesn't parse
Evaluate test content in caller's namespace
Allow exporting link classes from test module
Make external links coerce URIs from strings
Add MooseX::Types::URI to deps
Fix perlbrew test versions
Add 5.16 to test perlbrews
"Fix" bare links test

It's more like "move towards a state that will be fixed once
the test module accepts it"
Support class-specific comparators
Support custom stringification for diag messages
Add class stringifiers
Add basic comparator/stringifier for Moose stuff
Flesh out Moose stringifier
Add URI stringifier
Have comparators return the non-equality of their operands
Flesh out Moose comparator
Add URI comparator
Add comparator/stringifier entries for URIs
Fix up wrapped links test