func AddTime(duration time.Duration) {
	if !enabled {
		return
	}
	for name := range timeLogs {
		timeLogs[name] = timeLogs[name].Add(-duration)
	}
}
AddTime adds a time period to the logger as if that amount of time has
passed.
package logger
import (
	"log"
	"time"
)
var timeLogs = make(map[string]time.Time)
var enabled = false
func Start(name string) {
	if !enabled {
		return
	}
	timeLogs[name] = time.Now()
}
func Enable() {
	enabled = true
}
func Disable() {
	enabled = false
	timeLogs = make(map[string]time.Time)
}