Adding a __repr__ for driver object in [python] bindings

also, tweaking the repr for webelement

fixes #588

Author: santiycr

py/selenium/webdriver/remote/webdriver.py

@@ -89,6 +89,11 @@ def __init__(self, command_executor='http://127.0.0.1:4444/wd/hub',
         self._mobile = Mobile(self)
         self.file_detector = LocalFileDetector()
 
+    def __repr__(self):
+        return '<{0.__module__}.{0.__name__} (session="{1}")>'.format(
+            type(self), self.session_id)
+
+
     @property
     def mobile(self):
         return self._mobile

py/selenium/webdriver/remote/webelement.py

@@ -55,7 +55,9 @@ def __init__(self, parent, id_, w3c=False):
         self._w3c = w3c
 
     def __repr__(self):
-        return "%s (session=\"%s\", element=\"%s\")" % (type(self), self._parent.session_id, self._id)
+        return '<{0.__module__}.{0.__name__} (session="{1}", element="{2}")>'.format(
+            type(self), self._parent.session_id, self._id)
+
 
     @property
     def tag_name(self):