update elements and fix some bugs

lib/google_map_search.dart

Index: lib/google_map_search.dart
diff --git a/lib/google_map_search.dart b/lib/google_map_search.dart
index fac3fbd1e88275c67ccd3cc99e08fb4de84ae88d..70cd4679fd129b80796f83b5d4bcdc1ff1b5c67b 100644
--- a/lib/google_map_search.dart
+++ b/lib/google_map_search.dart
@@ -17,8 +17,8 @@ import 'package:polymer_interop/polymer_interop.dart';
 /// #### Example:
 ///
 ///     <template is="dom-bind">
-///       <google-map-search map="[[map]]" libraries="places" query="Pizza"
-///                          results="{{results}}"></google-map-search>
+///       <google-map-search map="[[map]]" query="Pizza" results="{{results}}">
+///       </google-map-search>
 ///       <google-map map="{{map}}" latitude="37.779"
 ///                   longitude="-122.3892">
 ///         <template is="dom-repeat" items="{{results}}" as="marker">
@@ -85,6 +85,11 @@ class GoogleMapSearch extends HtmlElement with CustomElementProxyMixin, PolymerB
   String get types => jsElement[r'types'];
   set types(String value) { jsElement[r'types'] = value; }
 
+  /// Fetches details for a given place.
+  /// [placeId]: The place id.
+  getDetails(String placeId) =>
+      jsElement.callMethod('getDetails', [placeId]);
+
   /// Perform a search using for `query` for the search term.
   search() =>
       jsElement.callMethod('search', []);