public boolean unReserveSpawnLocation(String playerName) {
        if (!spawnLocations.containsValue(playerName))
            return false;
        else {

            for (BlockVector loc : spawnLocations.keySet()) {
                BlockVector vector = null;
                if (spawnLocations.get(loc) == playerName) {
                    vector = loc;
                }
                if (vector != null)
                    spawnLocations.put(vector, null);
            }
            return true;
        }
    }