Anubis / Xlib

- File 'web/CXM_web_dump.anubis' : contains all functions for dumping datas for web as Web_arg, HTTP_header, HTTP_Info.

Modifications :
 - Move : function 'dump_web_arg_values' is now located in 'web/CXM_web_dump.anubis'.

Add get_ip as public for resolving ip or URL

- Add _CXM_DOMAIN_COMMAND_RESULT message

Web: adding attr() alternative to Text_Option type

- Fix URL decoding bug when %xx is upper case

- ability to define your own logger
  - callback to capture progression
  - low limit for transfer rate (64Kb/h)

- HTTP redirect codes add needed 'Location' header.