v3.1.0

Personnummer v3.1 API Spec implemented.

• Added options for allowing coordination numbers (true by default) and interim number (false by default)
• Added support for interim numbers
• Added isInterimNumber function
• Added getDate function

v3.0.1

• Fixed an issue where last four digits in personnumers with invalid data could be parsed.

v3.0.0

• First version, follows version 3 of the specification.