Merge pull request #462 from faruzzy/master

Updated "context" import since it has become a standard library

sqlite3.go

@@ -136,6 +136,7 @@ static int _sqlite3_limit(sqlite3* db, int limitId, int newLimit) {
 */
 import "C"
 import (
+	"context"
 	"database/sql"
 	"database/sql/driver"
 	"errors"
@@ -149,8 +150,6 @@ import (
 	"sync"
 	"time"
 	"unsafe"
-
-	"golang.org/x/net/context"
 )
 
 // SQLiteTimestampFormats is timestamp formats understood by both this module