upgrade selenium from 2.39.0 to 2.43.0

add `ghostdriver.log`

Author: cpauya

.gitignore

@@ -44,3 +44,4 @@ writeup/
 /TAGS
 .tags
 /kalite/i18n/static/
+ghostdriver.log

python-packages/selenium/__init__.py

@@ -15,4 +15,4 @@
 from selenium import selenium
 
 
-__version__ = "2.39.0"
+__version__ = "2.43.0"

python-packages/selenium/common/exceptions.py

@@ -124,7 +124,12 @@ class UnexpectedAlertPresentException(WebDriverException):
     Usually raised when when an expected modal is blocking webdriver form executing any 
     more commands.
     """
-    pass
+    def __init__(self, msg=None, screen=None, stacktrace=None, alert_text=None):
+        super(WebDriverException, self).__init__(msg, screen, stacktrace)
+        self.alert_text = alert_text
+
+    def __str__(self):
+        return "Alert Text: %s\n%s" % (self.alert_text, str(super(WebDriverException, self)))
 
 class NoAlertPresentException(WebDriverException):
     """