func NewFuncs(vars *Vars) *Funcs {
	return &Funcs{vars: vars}
}
NewFuncs creates new Funcs struct that includes initialized Vars.
package main
import (
	"bytes"
	"crypto/sha1"
	"encoding/base64"
	"fmt"
	"io"
	"text/template"
	"time"
	"github.com/pkg/errors"
)
type Funcs struct {
	vars *Vars
}