func poolDelete(p Handle, key string) {
	p.Begin()
	p.Remove([]byte(key))
	p.Commit()
}
helper to Remove from pool
package storage
import (
	"bytes"
	"testing"
)
func poolPut(p Handle, key string, data string) {
	p.Begin()
	p.Put([]byte(key), []byte(data), []byte{})
	p.Commit()
}