Base exception with formatted message created
Add log4j.xml for unit tests
Model metadata interfaces
Add joda-time in the dependencies
Field metadata tests
Field metadata implemented
Fix array format exception
Core XML utility, Dice andRoll domains, tests for filed metadata from
XML field elements.
Import field metadata from XML element partially implemented
More in field metadata load from XML elementd
Test fix for integers
Tests for base models
Various test refactoring for models and fields
Put a missing method on models
Fix field labels on tests
Minor fixes in tests and javadoc
Tests for dices
Dice domain implementation
Roll and dice refactoring, more tests and implementation
Roll from string implemented