func FromReader(input io.Reader, pageURL *nurl.URL) (Article, error) {
	parser := NewParser()
	return parser.Parse(input, pageURL)
}
FromReader parses an `io.Reader` and returns the readable content. It's the wrapper
or `Parser.Parse()` and useful if you only want to use the default parser.
package readability
import (
	"fmt"
	"io"
	"net/http"
	nurl "net/url"
	"strings"
	"time"
	"golang.org/x/net/html"
)