gemtext: Use accessors.

gemtext: Type link URLs as strictly quri:uri-s.

gemtext: Enrich gemtext classes definitions. This adds: - :type options. - :documentation options. - :accessor options. - Class predicates. Wherever applicable.

Handle gracefully invalid link lines `=>` without other fields is not a valid link line, so let's handle it by parsing it as a paragraph with the "=>" text in it.

phos.asd: Remove cl-mime dependency.

support binary response body see github issue #4

fmt

ignore *.fasl files

add some tests for the gemtext parser

refactor the gemtext parser The old one had various issue, for instance it failed to parse "#hello", and could mis-interpret lines starting with "=". The new one is more robust and handles optional spaces better.

export line-eq

add the line-eq generic function it's useful for the (future) tests being able to compare lines.

provide a default value for :text

fmt

tweak the readme