+12/6/2019 4.1\r
+Fix loading of opening lines by having engine-thread by also queueing the\r
+'usermove' command; without that the moves could overtake a 'new' command,\r
+which would then clear the game once it got executed.\r
+Fix name of last variant of UCI_Variant option, which had garbage appended.\r
+Suppress setting UCI_Variant to 'chess' if engine does not support that.\r
+Fix quitting during initialization handshake to avoid hanging engine procs.\r
+Fix switching on of pondering when engine is idle.\r
+\r