fix pointer advancement
also parse authority and additional RRs
use ares_inet_{ntop,pton}; parse AAAA answers
newer PHP version only accept real resources in userland
add missing PHP_FEs
zero php_ares on alloc
only c-ares does the htons() prt num conversion for us
ares already does htons()
missing flag
provide recent ares option setter functions
separate options array
recognize recent ares options
recognize numeric option strings
fix names
fix ifdef
oops
build robustness