delta evaluations (WIP)
minor changes
finished new definition of Objective (deltas)
updated Problem interface (deltas)
javadoc update
created validation interfaces/objects
javadoc update
implemented penalized evaluation object
updated Constraint interface (deltas)
additional custom exceptions
minor changes
javadoc update
updated PenalizingConstraint (delta)
javadoc update
added delta validation to Problem interface
refactored PenalizedEvaluation
created unanimous validation
javadoc update
loosened generics for delta evaluation
minor changes (mostly javadoc)