added Hash.

std/Hash.hx

@@ -0,0 +1,42 @@
+class Hash<T> {
+
+	public function new() : Void {
+	}
+
+	public function set( key : String, value : T ) : Void {
+		#flash
+		untyped this[key] = value;
+		#end
+	}
+
+	public function get( key : String ) : T {
+		#flash
+		return untyped this[key];
+		#end
+	}
+
+	public function exists( key : String ) : Bool {
+		#flash
+		return untyped this[key] != null;
+		#end
+	}
+
+	public function keys() : Iterator<String> {
+		#flash
+		return untyped (__keys__(this)).iterator();
+		#end
+	}
+
+	public function iterator() : Iterator<T> {
+		return untyped({
+			ref : this,
+			it : keys(),
+			hasNext : function() { return this.it.hasNext(); },
+			next : function() { var i = this.it.next(); return this.ref[i]; }
+		});
+	}
+
+	#flash
+	static var __init : Dynamic = untyped _global["ASSetPropFlags"](Hash.prototype,null,1);
+	#end
+}

std/haxe/ImportAll.hx

@@ -1,12 +1,14 @@
 // std
 import Array;
 import Date;
+import Hash;
 import ImportAll;
 import IntIter;
 import Iterator;
 import List;
 import Math;
 import Std;
+import StdTypes;
 import String;
 
 // flash