v1.2 -
	Added support for hex netmasks.
	Minor bugfixes, cleanup.
v1.1 -
	Introduced support for reporting network address, broadcast address,
	number of IPs, first IP and last IP.
	Made some source adjustments to facilitate compiling under
	Win32, MacOS Classic and MacOS X.
	Optimized a routine or two.
	Cleaned up code / headers.
v1.0 -
	Initial Release
