Update builds.

build/three.js

@@ -34481,6 +34481,7 @@
 		var itemsLoaded = 0;
 		var itemsTotal = 0;
 		var urlModifier = undefined;
+		var handlers = [];
 
 		// Refer to #5689 for the reason why we don't set .onStart
 		// in the constructor
@@ -34557,10 +34558,52 @@
 		this.setURLModifier = function ( transform ) {
 
 			urlModifier = transform;
+
+			return this;
+
+		};
+
+		this.addHandler = function ( regex, loader ) {
+
+			handlers.push( regex, loader );
+
+			return this;
+
+		};
+
+		this.removeHandler = function ( regex ) {
+
+			var index = handlers.indexOf( regex );
+
+			if ( index !== - 1 ) {
+
+				handlers.splice( index, 2 );
+
+			}
+
 			return this;
 
 		};
 
+		this.getHandler = function ( file ) {
+
+			for ( var i = 0, l = handlers.length; i < l; i += 2 ) {
+
+				var regex = handlers[ i ];
+				var loader = handlers[ i + 1 ];
+
+				if ( regex.test( file ) ) {
+
+					return loader;
+
+				}
+
+			}
+
+			return null;
+
+		};
+
 	}
 
 	var DefaultLoadingManager = new LoadingManager();
@@ -34608,41 +34651,6 @@
 
 	} );
 
-	//
-
-	Loader.Handlers = {
-
-		handlers: [],
-
-		add: function ( regex, loader ) {
-
-			this.handlers.push( regex, loader );
-
-		},
-
-		get: function ( file ) {
-
-			var handlers = this.handlers;
-
-			for ( var i = 0, l = handlers.length; i < l; i += 2 ) {
-
-				var regex = handlers[ i ];
-				var loader = handlers[ i + 1 ];
-
-				if ( regex.test( file ) ) {
-
-					return loader;
-
-				}
-
-			}
-
-			return null;
-
-		}
-
-	};
-
 	/**
 	 * @author mrdoob / http://mrdoob.com/
 	 */
@@ -46982,6 +46990,22 @@
 
 	} );
 
+	Loader.Handlers = {
+
+		add: function ( /* regex, loader */ ) {
+
+			console.error( 'THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.' );
+
+		},
+
+		get: function ( /* file */ ) {
+
+			console.error( 'THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.' );
+
+		}
+
+	};
+
 	function XHRLoader( manager ) {
 
 		console.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' );