breaking change. it works better.

tests/time.ts

@@ -0,0 +1,8 @@
+import Logging, { LoggingConfiguration } from "../src/mod.ts";
+import { TimeFormat } from "../src/types.ts";
+
+LoggingConfiguration.timeFormat = TimeFormat.None;
+
+const log = new Logging("NoDate");
+
+log.i('No Date');