Anubis / Xlib

…ithout value like 'checked'
add helper for HTTP_Answer. no_content construct an answer with http_no_content (204)

fix some typo

…e to compile old source

add helper for HTML "a" with list of (HTML_Off_Form)

better management of the web plugin
extend logger dump from 1024 to 2048 bytes

…as his alternative which makes compilation error