Restore development version

vondele · vondele · commit 571c2d6d8daf · 2020-09-04T07:46:06.000+02:00
have fun!

No functional change
diff --git a/src/misc.cpp b/src/misc.cpp
@@ -65,7 +65,7 @@ namespace {
 
 /// Version number. If Version is left empty, then compile date in the format
 /// DD-MM-YY and show in engine_info.
-const string Version = "12";
+const string Version = "";
 
 /// Our fancy logging facility. The trick here is to replace cin.rdbuf() and
 /// cout.rdbuf() with two Tie objects that tie cin and cout to a file stream. We
