changelog
    
    
    - Sun, 03 Oct 2021 12:04:27 +0200
- by Mike Becker <universe@uap-core.de> [Sun, 03 Oct 2021 12:04:27 +0200] rev 451
- make cx_linked_list_class static
    - Sun, 03 Oct 2021 12:02:57 +0200
- by Mike Becker <universe@uap-core.de> [Sun, 03 Oct 2021 12:02:57 +0200] rev 450
- improves usage of attributes
    - Sun, 03 Oct 2021 10:43:31 +0200
- by Mike Becker <universe@uap-core.de> [Sun, 03 Oct 2021 10:43:31 +0200] rev 449
- minor code changes
 
 These changes do not affect program behavior.
    - Tue, 28 Sep 2021 18:49:12 +0200
- by Mike Becker <universe@uap-core.de> [Tue, 28 Sep 2021 18:49:12 +0200] rev 448
- implement cx_ll_insert()
 
 change cx_ll_add() to use insert with index=size
    - Tue, 28 Sep 2021 18:33:42 +0200
- by Mike Becker <universe@uap-core.de> [Tue, 28 Sep 2021 18:33:42 +0200] rev 447
- implement cx_ll_remove()
    - Tue, 28 Sep 2021 18:22:00 +0200
- by Mike Becker <universe@uap-core.de> [Tue, 28 Sep 2021 18:22:00 +0200] rev 446
- remove unnecessary fields from linked list node and simplifies cx_ll_add()
    - Tue, 28 Sep 2021 18:09:25 +0200
- by Mike Becker <universe@uap-core.de> [Tue, 28 Sep 2021 18:09:25 +0200] rev 445
- Automated merge
    - Tue, 28 Sep 2021 18:07:05 +0200
- by Olaf Wintermann <olaf.wintermann@gmail.com> [Tue, 28 Sep 2021 18:07:05 +0200] rev 444
- rename test_cx_linked_list_add