changelog
    
    
    - Tue, 19 May 2015 17:01:28 +0200
 
    - by Mike Becker <universe@uap-core.de> [Tue, 19 May 2015 17:01:28 +0200] rev 205
 
    - improved avl function names
 
    - Tue, 19 May 2015 16:47:54 +0200
 
    - by Mike Becker <universe@uap-core.de> [Tue, 19 May 2015 16:47:54 +0200] rev 204
 
    - better and better and better AVL API
 
    - Mon, 18 May 2015 20:39:04 +0200
 
    - by Olaf Wintermann <olaf.wintermann@gmail.com> [Mon, 18 May 2015 20:39:04 +0200] rev 203
 
    - added 1 assert in ucx_avl_remove tests and fixed source code formatting
 
    - Mon, 18 May 2015 20:32:29 +0200
 
    - by Olaf Wintermann <olaf.wintermann@gmail.com> [Mon, 18 May 2015 20:32:29 +0200] rev 202
 
    - fixed bug in ucx_avl_remove
 
    - Mon, 18 May 2015 20:17:16 +0200
 
    - by Olaf Wintermann <olaf.wintermann@gmail.com> [Mon, 18 May 2015 20:17:16 +0200] rev 201
 
    - extended ucx_avl_remove tests
 
    - Mon, 18 May 2015 19:52:03 +0200
 
    - by Olaf Wintermann <olaf.wintermann@gmail.com> [Mon, 18 May 2015 19:52:03 +0200] rev 200
 
    - added ucx_avl_remove tests
 
    - Mon, 18 May 2015 19:49:03 +0200
 
    - by Mike Becker <universe@uap-core.de> [Mon, 18 May 2015 19:49:03 +0200] rev 199
 
    - added ucx_avl_count
 
    - Mon, 18 May 2015 19:12:32 +0200
 
    - by Olaf Wintermann <olaf.wintermann@gmail.com> [Mon, 18 May 2015 19:12:32 +0200] rev 198
 
    - added test for ucx_avl_put
 
    - Mon, 18 May 2015 18:42:45 +0200
 
    - by Mike Becker <universe@uap-core.de> [Mon, 18 May 2015 18:42:45 +0200] rev 197
 
    - fuck -Wparentheses
 
    - Mon, 18 May 2015 18:39:19 +0200
 
    - by Mike Becker <universe@uap-core.de> [Mon, 18 May 2015 18:39:19 +0200] rev 196
 
    - added free() to AVL tree implementation + use UcxAllocator
 
    - Mon, 18 May 2015 12:54:18 +0200
 
    - by Mike Becker <universe@uap-core.de> [Mon, 18 May 2015 12:54:18 +0200] rev 195
 
    - added AVL tree implementation - TODO: free memory + test cases
 
    - Sun, 17 May 2015 18:32:41 +0200
 
    - by Mike Becker <universe@uap-core.de> [Sun, 17 May 2015 18:32:41 +0200] rev 194
 
    - finalized AVL tree interface + added implementation skeleton + fixed ucx_ptrcmp()
 
    - Sun, 17 May 2015 17:59:07 +0200
 
    - by Mike Becker <universe@uap-core.de> [Sun, 17 May 2015 17:59:07 +0200] rev 193
 
    - defined AVL tree functional interface
 
    - Sun, 17 May 2015 17:31:32 +0200
 
    - by Mike Becker <universe@uap-core.de> [Sun, 17 May 2015 17:31:32 +0200] rev 192
 
    - updated copyright notice + added files for upcoming AVL tree implementation
 
    - Sat, 04 Apr 2015 19:02:15 +0200
 
    - by Mike Becker <universe@uap-core.de> [Sat, 04 Apr 2015 19:02:15 +0200] rev 191
 
    - fuck_