add time.js; fix up times, cash-out

lib/time.js

@@ -0,0 +1,23 @@
+const seconds = 1000
+const second = seconds
+const minutes = 60 * seconds
+const minute = minutes
+const hours = 60 * minutes
+const hour = hours
+const days = 24 * hours
+const day = days
+const weeks = 7 * days
+const week = weeks
+
+module.exports = {
+  seconds,
+  second,
+  minutes,
+  minute,
+  hours,
+  hour,
+  days,
+  day,
+  weeks,
+  week
+}