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+5104 Automatically close hutch-python sessions that have been idle for 48 hours or more.
+#################
+
+API Changes
+-----------
+Added a new class object IPythonSessionTimer. The timer starts by calling the method _start_session().
+
+Features
+--------
+Times out a hutch-python session if it has been idle for 48 hours or more.
+
+Bugfixes
+--------
+- N/A
+
+Maintenance
+-----------
+- N/A
+
+Contributors
+------------
+Jane Liu