public Skill(Skills skillName, long startExperience, int rank, long goalExperience) : this(skillName, 1, startExperience, 1, goalExperience, rank)
{
}
/// <summary>
/// Construct a new Skill object with default goal information.
/// </summary>
/// <param name="skillName">Skills object specifying which still this is.</param>
/// <param name="startExperience">Current player experience in this skill.</param>
/// <param name="rank">Current player rank in this skill.</param>
public Skill(Skills skillName, long startExperience, int rank) : this(skillName, 1, startExperience, 99, 0, rank)
{
}