Added handling for addresses and host names

- Handle CIDR notation for the ignore list
- Handle IP ranges for the ignore list (i.e. 1.1.1.1 ... 1.1.1.3)
- Host name matching using regex notation for the ignore list
Using CIDR notation and IP ranges

Example of using CIDR notation and an IP range to create a whitelist
Regex format for the whitelist of names

Example for specifying the whitelist entries using regex format
Merge pull request #3 from avgxm/master

Updates to address, domain whitelist handling, additional arg handling