Aviv Ron

add chance.mac for creating random mac address

3

adds the `chance.mac()` function that generates random MAC addresses, with options to define the case, delimiter and an OUI. Implemented the code for the mac function + tests + documentation.

Domain name validation is not correct according to RFC 2181

3

psl validates the regular expression /^[a-z0-9\-]+$/ and returns 'LABEL_INVALID_CHARS' if not valid. This is wrong according to [rfc 2181 section 11 Name Syntax](https://tools.ietf.org/html/rfc2181#page-11): > The DNS itself places only one...

**Describe the bug** The QRadar module to stix results contain ip addresses (`0.0.0.0`) and mac addresses (`00:00:00:00:00:00`) which include only zero's. Since this data is irrelevant it should be filtered...