Shrink 2x and shift down so we can see the whole set

Fix 0x zoom - dividing by 0 is not fun

web.go

@@ -23,10 +23,10 @@ var mandelbrotTypeOptions = {
 	getTileUrl: function(coord, zoom) {
 		return '/mandelbrot/' + zoom + '/' + coord.x + '/' + coord.y + '.png';
 	},
-	tileSize: new google.maps.Size(256, 256),
-	maxZoom: (1<<16) - 1,
-	minZoom: 0,
-	name: 'Mandelbrot'
+	tileSize: new google.maps.Size(128, 128),
+	maxZoom: (1<<16),
+	minZoom: 1,
+	name: '0xdeadbeef Mandel Mapper'
 };
 	
 var mandelbrotMapType = new google.maps.ImageMapType(mandelbrotTypeOptions);