Added some description lines to various classes

@@ -66,6 +66,12 @@
 	
 	[[image layer] removeFromSuperlayer];
 }
+
+-(NSString*) description
+{
+	return @"CoreAnimation map renderer";
+}
+
 /*
 - (void)moveBy: (CGSize) delta
 {

@@ -53,6 +53,12 @@
 	[contents drawRect:rect];
 }
 
+-(NSString*) description
+{
+	CGRect bounds = [self bounds];
+	return [NSString stringWithFormat:@"iPhone MapView at %.0f,%.0f-%.0f,%.0f", bounds.origin.x, bounds.origin.y, bounds.size.width, bounds.size.height];
+}
+
 #pragma mark Movement
 
 -(void) moveToMercator: (RMMercatorPoint) point

@@ -15,4 +15,9 @@
 	return [NSString stringWithFormat:@"http://tile.openstreetmap.org/%d/%d/%d.png", tile.zoom, tile.x, tile.y];
 }
 
+-(NSString*) description
+{
+	return @"OpenStreetMaps";
+}
+
 @end

@@ -34,6 +34,11 @@
 	[super dealloc];
 }
 
+-(NSString*) description
+{
+	return @"Quartz 2D map renderer";
+}
+
 - (void)drawRect:(CGRect)rect
 {
 	[[content imagesOnScreen] drawRect:rect];

@@ -46,4 +46,9 @@
 	return [NSString stringWithFormat:@"http://%@%d.ortho.tiles.virtualearth.net/tiles/%@%@%@?g=15", mapType, 3, mapType, quadKey, mapExtension];
 }
 
+-(NSString*) description
+{
+	return @"Microsoft VirtualEarth";
+}
+
 @end