Match constructor refactor
red: score must be 0 or 15 or 30 or 40
green: score must be 0 or 15 or 30 or 40
score separed from match
red: rafael nadal wins (fifty)
green: rafael nadal wins (fifty)
red: rafael nadal wins (thirty)
green: rafael nadal wins (thirty)
score's player tests refactor
red: rafael nadal wins (forty)
green: rafael nadal wins (forty)