IPAddressRange 1.2.1

v.1.2.1 - Fix: "Parse()" and "TryParse()" methods throw IndexOutOfRangeException when bit mask length is invalid at CIDR format. v.1.2.0 - Enhance: Add "Parse()" and "TryParse()" methods. (Instead, the constructor which has one string argument is obsoleted.) v.1.1.0 - Enhance: Add "Contains()" method overload version of IPAddressRange argument. v.1.0.6 - Fix Package: Repackage with Release build. (1.0.5 was Debug build) v.1.0.5 - Fix: IPv4 CIDR range ".../32" causes crush. v.1.0.4 - Enhance: support bit mask range not only CIDR range. v.1.0.3 - Fix: Can not parse the address which contains hex string.