Use a phrase query for the title on google books

Should help improve the quality of matches.

googlebooks.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"log"
 	"net/http"
 	"net/url"
 	"path/filepath"
@@ -79,9 +80,7 @@ func googleBooksQuery(m *Metadata) string {
 
 	// If we have explicitly tagged metadata, use it.
 	if len(m.Title) > 0 {
-		for _, s := range strings.Fields(m.Title) {
-			query = append(query, fmt.Sprintf("intitle:%s", s))
-		}
+		query = append(query, fmt.Sprintf("intitle:\"%s\"", m.Title))
 	}
 	if len(m.Creator) > 0 {
 		for _, author := range m.Creator {
@@ -161,6 +160,7 @@ func (r *googleBooksRefiner) Lookup(m *Metadata) ([]*Metadata, error) {
 	if qstr == "" {
 		return nil, errors.New("insufficient metadata for query")
 	}
+	log.Printf("googlebooks query: %s", qstr)
 	values := make(url.Values)
 	values.Set("q", qstr)
 	if *googleAPIKey != "" {
@@ -169,6 +169,7 @@ func (r *googleBooksRefiner) Lookup(m *Metadata) ([]*Metadata, error) {
 	uri := "http://books.google.com/books/feeds/volumes?" + values.Encode()
 	resp, err := googleBooksGet(uri)
 	if err != nil {
+		log.Printf("googlebooks error: %v", err)
 		return nil, err
 	}
 	defer resp.Body.Close()