func Debugf(format string, v ...interface{}) {
	logf(VerbDebug, format, v...)
}
Logf print log message
package gcli
import (
	"fmt"
	"path"
	"regexp"
	"runtime"
	"strings"
	"github.com/gookit/color"
	"github.com/gookit/goutil/strutil"
)
var level2color = map[VerbLevel]color.Color{
	VerbError: color.FgRed,
	VerbWarn:  color.FgYellow,
	VerbInfo:  color.FgGreen,
	VerbDebug: color.FgCyan,
	VerbCrazy: color.FgMagenta,
}