Cork Constitution, one of the country’s most successful rugby clubs, has said it has reviewed and updated its club policies after it apologised in the High Court recently to a parent upset about his treatment as a coach to an underage team.  The prestigious club, which was founded in 1892, has circulated a letter of apology to its members. It said the apology was read into the record of the High Court as a way of ending a dispute that began five years ago. The letter refers to an under-13 rugby tour to France that took place in 2018.  Ray…