deleted a duplicate definition

enhanced rr data parsing

added nwif functions

fixed HAWK_SIZEOF_SKAD_T defintion

attempting to implement retries in dnc resolve

simplified mio_svc_dnc_resolve(), mio_svc_dnc_sendreq().
changed the above and some similar functions to return mio_dns_msg_t*
changed them to accept extension space size

some code touch-up in dns.c

more code to handle rrdata

attempting to add a dns packet parser

implemented sys::flock() with fcntl()

added sys::fnctl() with sys::F_SETFD, sys::F_SETFL, sys::F_GETFD, sys::F_GETFL

more mux implementation in mod-sys.c

sys::shutdown(), sys::accept(), sys::listen(), sys::bind()

added sys::recvfrom in mod-sys.c

fixed source code for php74 compatibility

added sys::sendto() in mod-sys.c

simplified mux in mod-sys.c a bit

some mux work. yet to be finished

some mux functions in the sys module

shortened @pragma startup to @pragma entry
adding experimental io multiplexer support to the sys module

modified pkgs/hawk.spec.in

got mysql::execute() and mysql::fetch() working

removed a blank line in qse_awk_rtx_isnilval()

wrote more code for mysql::stmt_execute(). 
changed error handling in mod-mysql.c

some more experimental code into mod-mysql.c for parameter binding

fixed Hawk and HawkStd for byte reading

removed hawk_rtx_matchrex() and redefined it as a macro

some support code for getbline. yet to be completed

fixed lib/Makefile.am