Merge pull request #13 from elyezer/master

Add license and description to setup definition
Added support for generating IPv6 address + tests.

Added support for generating IPv6 addresses and tests for both IPv4 and
IPv6 addresses.
Adding tests for MAC generator.

Added tests for MAC generator. Allowed delimiters are ":" and "-" only.
Merge branch 'master' of github.com:omaciel/fauxfactory