changed some --options, and added an option for --min-subitems, that only displays items that with X amount of subitems
to be implemented in the future
sys_ping class more or less complete. a function that pings targets and returns a nested list with [sequence,time]
also populated is a subclass last with various variables about the ping
it is somewhat complete as it takes most information from UNIX ping.

still to do is edge case error checking and handling