Implement strip_magic_quotes() function by default

Implement for request parameters and cookies. This will return default
as of disabled magic quotes
Missing ' - ' in UTF8 for setLocale
SYSTEM_DEFAULT_LANGUAGE auto-calculated
Response : bug fix handler
Response : bug fix cached view (bad 304 header)
Bug fix user language definition
Script clean : do not remove .htaccess files
Helpers : implement path_encode() function
v1.1.0 beta