Update dependencies
Implement save feature
Add superclass NamedTag to CustomTag and GEDTag
Remove redundant JUnit test messages
Remove EmptyClusterException declaration
Add Gender enum
Add get by path test
Implement Event constructor
Add static UNKNOWN date
Add SPOUSE, HUSBAND and WIFE
Implement convenience methods
Add Family convenience methods
Add debug method
Add new equals methods
Add new constructors
Override toString
Add no gendered child
Add formal names
Add accessors
Add accessors