added remove and toString

std/List.hx

@@ -50,8 +50,40 @@ class List<T> {
 		}
 	}
 
+	public function remove( v : T ) : Bool {
+		var loop;
+		var found = { ref : false };
+		loop = function(h) {
+			return switch h {
+			case empty:
+				empty;
+			case cons(v2,h):
+				if( v2 == v ) {
+					found.ref = true;
+					h;
+				} else
+					cons(v2,loop(h));
+			}
+		};
+		h = loop(h);
+		return found.ref;
+	}
+
 	public function iterator() : Iterator<T> {
 		return new ListIter<T>(h);
 	}
 
+	public function toString() {
+		var s = new StringBuf();
+		var it = iterator();
+		s.add("{");
+		for i in it {
+			s.add(i);
+			if( it.hasNext() )
+				s.add(", ");
+		}
+		s.add("}");
+		return s.toString();
+	}
+
 }