Log Message:
Update 0.14 to 0.18
-------------------
0.15 Thu Feb 16 08:09:45 EST 2012
        - corrected cidrvalidate() to return values according to its
        documentation, in some corner cases.

0.16 Sat Sep 29 09:29:43 EDT 2012
        - cidrvalidate() corrects octet-shortchanged IPv4 addresses to their
        proper size.

0.17 Sat Oct 20 23:21:18 EDT 2012
        - version bump, put META back into the tarball.

0.18 Mon Feb  2 18:12:54 EST 2015
        - leading 0s in IPv6 addresses are ok.