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

deno.json

@@ -2,7 +2,7 @@
   "tasks": {
     "test-conversion": "deno run -A tests/convert.ts",
     "test-global": "deno run -A tests/global.ts",
-    "test-shutdown": "deno run -A tests/shutdown.ts",
+    "test-timing": "deno run -A tests/timing.ts",
     "bench": "deno bench -A"
   },
   "imports": {
@@ -10,7 +10,7 @@
     "chalk": "npm:chalk@^5.3.0"
   },
   "exports": "./mod.ts",
-  "version": "1.4.1",
+  "version": "1.5.0",
   "name": "@proxnet/undead-logging",
   "license": "MIT",
   "bench": {