V2_7
added .cvsignore
remove automake conditional cc_is_gcc and default -Wall. Users can set this in their CFLAGS when running ./configure.
avoid warning due to undefined strndup, patch from Carlo Marcelo Arenas Belon
add doxygen documentation for cfg_setopt, from Daniel Pocock
Fix lexer match problem with unquoted strings ending in a slash. Reported by Sylvain Bertrand.