More changelog update

Author: jgray-19

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 Add `history` method to get the history of communication of strings to MAD-NG. \
 Rename a significant amount of the code to be more readable. \
+Allow debug mode to be set to a string, which will be the file that the debug information is written to. \
+Remove support for Python EOL, now only supporting Python 3.9 and above. \
 
 0.4.6 (2024/01/17)