closes #53: add test in the case where coords are passed in as strings to Proj4js.Point constructor

        this.x = x[0];

        this.y = x[1];

        this.z = x[2] || 0.0;

      } else if (typeof x == 'string') {

      } else if (typeof x == 'string' && typeof y == 'undefined') {

        var coords = x.split(',');

        this.x = parseFloat(coords[0]);

        this.y = parseFloat(coords[1]);