Update build

dist/leaflet.markercluster-src.js

@@ -48,6 +48,7 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 
 		this._inZoomAnimation = 0;
 		this._needsClustering = [];
+		this._needsRemoving = []; //Markers removed while we aren't on the map need to be kept track of
 		//The bounds of the currently shown area (from _getExpandedVisibleBounds) Updated on zoom/move
 		this._currentShownBounds = null;
 	},
@@ -101,7 +102,9 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 	removeLayer: function (layer) {
 
 		if (!this._map) {
-			this._arraySplice(this._needsClustering, layer);
+			if (!this._arraySplice(this._needsClustering, layer) && this.hasLayer(layer)) {
+				this._needsRemoving.push(layer);
+			}
 			return this;
 		}
 
@@ -269,12 +272,18 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 			return false;
 		}
 
-		if (this._needsClustering.length > 0) {
-			var anArray = this._needsClustering;
-			for (var i = anArray.length - 1; i >= 0; i--) {
-				if (anArray[i] === layer) {
-					return true;
-				}
+		var i, anArray = this._needsClustering;
+
+		for (i = anArray.length - 1; i >= 0; i--) {
+			if (anArray[i] === layer) {
+				return true;
+			}
+		}
+
+		anArray = this._needsRemoving;
+		for (i = anArray.length - 1; i >= 0; i--) {
+			if (anArray[i] === layer) {
+				return false;
 			}
 		}
 
@@ -322,13 +331,20 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 	//Overrides FeatureGroup.onAdd
 	onAdd: function (map) {
 		this._map = map;
+		var i, l, layer;
 
 		if (!this._gridClusters) {
 			this._generateInitialClusters();
 		}
 
-		for (var i = 0, l = this._needsClustering.length; i < l; i++) {
-			var layer = this._needsClustering[i];
+		for (i = 0, l = this._needsRemoving.length; i < l; i++) {
+			layer = this._needsRemoving[i];
+			this._removeLayer(layer);
+		}
+		this._needsRemoving = [];
+
+		for (i = 0, l = this._needsClustering.length; i < l; i++) {
+			layer = this._needsClustering[i];
 			if (layer.__parent) {
 				continue;
 			}
@@ -336,6 +352,7 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 		}
 		this._needsClustering = [];
 
+
 		this._map.on('zoomend', this._zoomEnd, this);
 		this._map.on('moveend', this._moveEnd, this);
 
@@ -384,7 +401,7 @@ L.MarkerClusterGroup = L.FeatureGroup.extend({
 		for (var i = anArray.length - 1; i >= 0; i--) {
 			if (anArray[i] === obj) {
 				anArray.splice(i, 1);
-				return;
+				return true;
 			}
 		}
 	},