Imprivements to functions

A function creator has been added for dice functions;
Minor change for ipv6();
Changed age() function for readability
Merge pull request #68 from abhijeetkpawar/patch-1

Imprivements to functions
Data has been separated out from code keeping the API unchanged. Also
added two functions to get and set the data.
This will allow the user to have custom data.
Merge pull request #69 from abhijeetkpawar/develop

Separation of data
Add options for ssn, last four digits and option for no dashes in ssn
Merge pull request #71 from ddunning/develop

 Options for SSN
Bump version number
Merge branch 'develop'