Add get_property for W3C / Selenium3 compatibility

Author: ylavoie

CHANGES

@@ -1,3 +1,6 @@
+** 0.08 / 2018-03-21
+   - Add get_property for W3C / Selenium3 compatibility
+
 ** 0.06 / 2016-10-03
    - Make 'get_page_source' write info a file
 

lib/Weasel/Driver/Selenium2.pm

@@ -123,13 +123,14 @@ see L<Weasel::DriverRole>.
 =cut
 
 sub implements {
-    return '0.02';
+    return '0.03';
 }
 
 =item start
 
 A few capabilities can be specified in t/.pherkin.yaml
 Some can even be specified as environment variables, they will be expanded here if present.
+Revised for Selenium3. See https://github.com/teodesian/Selenium-Remote-Driver#no-standalone-server
 
 =cut
 
@@ -268,7 +269,21 @@ sub execute_script {
 sub get_attribute {
     my ($self, $id, $att) = @_;
 
-    return $self->_resolve_id($id)->get_attribute($att);
+    return $self->_resolve_id($id)->get_attribute($att, 1);
+}
+
+=item get_property($id, $prop_name)
+
+With Selenium 2, the method WebElement.GetAttribute(...) returned the HTMLElement
+property when present and the attribute otherwise.
+The methods are separated in Selenium 3
+
+=cut
+
+sub get_property {
+    my ($self, $id, $property) = @_;
+
+    return $self->_resolve_id($id)->get_property($property);
 }
 
 =item get_page_source($fh)