mnthread (mini Thread) ChangeLog

Version 0.8.31 Dezember 2018:
  * add logical mutext handle to basic_thread
  * rename function "delay" to "sleep" in basic_thread
  * add function "nsleep" and "usleep" to basic_thread
  * add "hild_thread" and "parent_thread" to basic_thread
  * add function "get_root();" "get_child();" "add_child_thread(basic_thread* thread);"

Version 0.8.3 Dezember 2018:
 * add nsleep, sleep, usleep, micros, milis
 

Version 0.8.2, Dezember 2018:
 * Public release