Update changelog

CHANGELOG.md

@@ -5,8 +5,12 @@ Changelog
 - Removed all external dependencies
 
 ### 4.1.0
-- Removed all external dependencies
-- Improved how isort handles custom import statement
-- Added a command line switch `ca` for combining as imports
-- When specified, force grid wrapping regardless of line length
--
\ No newline at end of file
+- Started keeping a log of all changes between releases
+- Added the isort logo to the command line interface
+- Implemented issue #292: skip setting now supports glob patterns
+- Implemented issue #271: Add option to sort imports purely alphabetically
+- Implemented issue #301: Readme is now natively in RST format, making it easier for Python tooling to pick up
+- Fixed issue #260: # encoding lines at the top of the file are now correctly supported
+- Fixed issue #284: Sticky comments above first import are now supported
+- Fixed issue #310: Ensure comments don't get duplicated when reformatting imports
+- Fixed issue #289: Sections order not being respected