add auto-detection of iconv reference into DYN (lazy loader)
add auto-detection of igbinary reference into DYN (lazy loader)
add auto-detection of imagick reference into DYN (lazy loader)
add auto-detection of imap reference into DYN (lazy loader)
add auto-detection of inclued reference into DYN (lazy loader)
add auto-detection of intl reference into DYN (lazy loader)
add auto-detection of json reference into DYN (lazy loader)