/// Author: Bert van Montfort
 /// <summary>
 /// Creates a new AssignmentOperator, for use by VariableCombo
 /// </summary>
 /// <param name="assignmentOperator">Assignment operator.</param>
 public AssignmentOperator(EAssignmentOperator assignmentOperator)
 {
     this.assignmentOperator = assignmentOperator;
 }
 public VariableCombo(VariableSolver solverOne, VariableSolver solverTwo, EAssignmentOperator assignmentOperator)
 {
     //TODO remove this constructor
 }