TODO
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+ make failure of reading functions revert to previous value, not the default
+ sanity code for option[OPT_LEN]
+ fix aliasing (ie: eth0:0)
+ DONE: Make sure get_raw_packet only accepts packets on the specified interface
+ better standard linux distro support
+ DONE: make config file a command line option for server
+ IMPLEMENTED: make forking a command line option
+ make sure packet generation works on a wide varitey of arches
+ Interoperability testing
+ Hooks within the DHCP server
+ Additional bootp support in client/server
+ Make serverid option in server configurable
+ DONE: cause client to generate DHCP_VENDOR option
+ Possibly add failure message to DHCP NAK
+ Possibly log DHCP NAK failure message in client