update CHANGES.txt and changes-list in comport.c

CHANGES.txt

@@ -1,3 +1,18 @@
+1.3 - 2024-10-10
+
+  * update pd-lib-builder
+
+  * extend valid baudrates
+
+  * negative port-numbers at creation time indicate not-to-open
+
+  * help patch update
+
+  * allow to query only USB devices or ports
+    (reduce risks of hanging when trying to open other types of device)
+
+  * allow to lock the opened device, to avoid conflicts with other comports
+
 1.2 - 2022-03-21
 
   * fix building with Pd>=0.52

comport.c

@@ -26,6 +26,11 @@ JZ 20210321 cleanup t_comport struct
 JZ 20210321 use (int) instead of t_float for members where applicable
 JZ 20210321 allow the user to turn ON input processing (again)
 JZ 20210321 allow the user to specify a device pattern as creation argument
+
+JZ 20240926 extend valid baudrates
+JZ 20240926 negative port-numbers at creation time indicate not-to-open
+AR 20241008 allow to query only USB devices or ports
+AR 20241008 allow to lock the opened device (Linux / MacOS)
 */
 
 #include "m_pd.h"