zoombounds respected on pinch zoom in

@@ -346,7 +346,16 @@
 	}
 	else
 	{
-		if(([self zoom] >= [self minZoom]) && ([self zoom] <= [self maxZoom]))
+		//bools for syntactical sugar to understand the logic in the if statement below
+		BOOL zoomAtMax = ([self zoom] == [self maxZoom]);
+		BOOL zoomAtMin = ([self zoom] == [self minZoom]);
+		BOOL zoomGreaterMin = ([self zoom] > [self minZoom]);
+		BOOL zoomLessMax = ([self zoom] < [self maxZoom]);
+		
+		//zooming in zoomFactor > 1
+		//zooming out zoomFactor < 1
+		
+		if ((zoomGreaterMin && zoomLessMax) || (zoomAtMax && zoomFactor<1) || (zoomAtMin && zoomFactor>1))
 		{
 			[mercatorToScreenProjection zoomScreenByFactor:zoomFactor near:pivot];
 			[imagesOnScreen zoomByFactor:zoomFactor near:pivot];