make interface between php and zmu safer
escape username and password inside zm_user
use native rename() instead of a shell command
guard against monitor names being dangerous
guard against dangerous (old or new) monitor names
guard against unsafe monitor name (and unsafe number, although it's practically guaranteed to be an int)
lock down calls to zmpkg.pl (which had SQL injections in the past)
only do actions based on $_POST variables
Merge branch 'master' of https://github.com/rogerroger288/ZoneMinder
end of security contact attempts