Packages and One6Criteria
Added One6Criteria
Moved stuff into packages
Introduced AllTests test suite
One6Criteria done
Finished implementing One6Criteria
DiceRollerImpl done
Added and implemented DiceRollerImpl
One5Criteria and DiceRollerAny
Added One5Criteria
Changed DiceRollerImpl to DiceRollerAny (might be changed back in the future)