implement LogTiming.Microtask, better test timings, breaking options API

README.md

@@ -145,14 +145,11 @@ const log = new Logging("Main");
 
 Deno.addSignalListener('SIGINT', () => {
     LoggingConfiguration.resetLogTiming = LogTiming.Sync;
+    // shut down I/O here
 });
 ```
 
-See [`tests/shutdown.ts`.](./tests/shutdown.ts)
-
 ## [Benchmarks](./BENCH.md)
 
 ## Contributing
-Are you crazy? This ol' thing is just.. "meh" at most. You're sure?
-
-... anyway, create an account on gitea.proxnet.dev, fork, then PR.
+create an account on gitea.proxnet.dev, fork, then PR