Rescue StaleElementReferenceError

Seems like StaleElementReferenceError is a superclass to ObsoleteElementError, so it is better to catch this one.

lib/capybara/selenium/driver.rb

@@ -113,6 +113,6 @@ class Capybara::Selenium::Driver < Capybara::Driver::Base
   end
 
   def invalid_element_errors
-    [Selenium::WebDriver::Error::ObsoleteElementError, Selenium::WebDriver::Error::UnhandledError]
+    [Selenium::WebDriver::Error::StaleElementReferenceError, Selenium::WebDriver::Error::UnhandledError]
   end
 end