changelog for v2.1.1

CHANGELOG.md

-# v2.1
+# v2.1.1
 
 * removed support for Python 2.7
 * most of the typecheck module was cut
 * implemented tracking standard stack frames, not only the exception ones
+* added support for _DictObject_
+* added _exception_handling_ and _configuration_
 
 ## v2.0.24
 

satella/__init__.py

 # coding=UTF-8
-__version__ = '2.1.1rc8'
+__version__ = '2.1.1'