update elements and fix some bugs

lib/paper_input_behavior.dart

Index: lib/paper_input_behavior.dart
diff --git a/lib/paper_input_behavior.dart b/lib/paper_input_behavior.dart
index 24fb2ac472172fe37c8bc45dd92fb8314fa75202..fcddf247eca7a6680376706e148a7141500a2ce2 100644
--- a/lib/paper_input_behavior.dart
+++ b/lib/paper_input_behavior.dart
@@ -20,6 +20,10 @@ import 'iron_control_state.dart';
 @BehaviorProxy(const ['Polymer', 'PaperInputBehavior'])
 abstract class PaperInputBehavior implements CustomElementProxyMixin, IronControlState {
 
+  /// Bind this to the `<input is="iron-input">`'s `accept` property, , used with type=file.
+  String get accept => jsElement[r'accept'];
+  set accept(String value) { jsElement[r'accept'] = value; }
+
   /// Set this to specify the pattern allowed by `preventInvalidInput`. Bind this to the
   /// `<input is="iron-input">`'s `allowedPattern` property.
   String get allowedPattern => jsElement[r'allowedPattern'];
@@ -46,6 +50,10 @@ abstract class PaperInputBehavior implements CustomElementProxyMixin, IronContro
   bool get autofocus => jsElement[r'autofocus'];
   set autofocus(bool value) { jsElement[r'autofocus'] = value; }
 
+  /// Bind this to the `<input is="iron-input">`'s `autosave` property, used with type=search.
+  String get autosave => jsElement[r'autosave'];
+  set autosave(String value) { jsElement[r'autosave'] = value; }
+
   /// Set to true to auto-validate the input value. Bind this to the `<paper-input-container>`'s
   /// `autoValidate` property.
   bool get autoValidate => jsElement[r'autoValidate'];
@@ -81,7 +89,7 @@ abstract class PaperInputBehavior implements CustomElementProxyMixin, IronContro
   String get label => jsElement[r'label'];
   set label(String value) { jsElement[r'label'] = value; }
 
-  /// The datalist of the input (if any). This should match the id of an existing <datalist>. Bind this
+  /// The datalist of the input (if any). This should match the id of an existing `<datalist>`. Bind this
   /// to the `<input is="iron-input">`'s `list` property.
   String get list => jsElement[r'list'];
   set list(String value) { jsElement[r'list'] = value; }
@@ -106,6 +114,10 @@ abstract class PaperInputBehavior implements CustomElementProxyMixin, IronContro
   num get minlength => jsElement[r'minlength'];
   set minlength(num value) { jsElement[r'minlength'] = value; }
 
+  /// Bind this to the `<input is="iron-input">`'s `multiple` property, , used with type=file.
+  bool get multiple => jsElement[r'multiple'];
+  set multiple(bool value) { jsElement[r'multiple'] = value; }
+
   /// Bind this to the `<input is="iron-input">`'s `name` property.
   String get name => jsElement[r'name'];
   set name(String value) { jsElement[r'name'] = value; }
@@ -138,6 +150,10 @@ abstract class PaperInputBehavior implements CustomElementProxyMixin, IronContro
   bool get required => jsElement[r'required'];
   set required(bool value) { jsElement[r'required'] = value; }
 
+  /// Bind this to the `<input is="iron-input">`'s `results` property, , used with type=search.
+  num get results => jsElement[r'results'];
+  set results(num value) { jsElement[r'results'] = value; }
+
   /// Bind this to the `<input is="iron-input">`'s `size` property.
   num get size => jsElement[r'size'];
   set size(num value) { jsElement[r'size'] = value; }
@@ -159,8 +175,8 @@ abstract class PaperInputBehavior implements CustomElementProxyMixin, IronContro
 
   /// The value for this input. Bind this to the `<input is="iron-input">`'s `bindValue`
   /// property, or the value property of your input that is `notify:true`.
-  String get value => jsElement[r'value'];
-  set value(String value) { jsElement[r'value'] = value; }
+  get value => jsElement[r'value'];
+  set value(value) { jsElement[r'value'] = (value is Map || (value is Iterable && value is! JsArray)) ? new JsObject.jsify(value) : value;}
 
   /// Restores the cursor to its original position after updating the value.
   /// [newValue]: The value that should be saved.