Let DB be closed when not in use

boltrest.go

@@ -23,22 +23,36 @@ type DB struct {
 	apiToken  string
 	remoteMD5 string
 	online    bool
+	isOpen    bool
 	localDB   *bolt.DB
 }
 
-// Open returns the DB object
+// Create returns the DB object
-func Open(filename string) (*DB, error) {
+func Create(filename string) (*DB, error) {
 	var err error
 	b := DB{localFile: filename}
 	b.localDB, err = bolt.Open(filename, 0644, nil)
 	if err != nil {
 		return nil, err
 	}
+	defer b.localDB.Close()
 	// Go ahead and make sure it's fresh
 	b.RefreshDB()
 	return &b, nil
 }
 
+// Open opens the DB so things can be done
+func (b *DB) Open() error {
+	var err error
+	b.localDB, err = Open(b.localFile, 0644, nil)
+	return err
+}
+
+// Close closes the DB
+func (b *DB) Close() error {
+	return b.localDB.Close()
+}
+
 // Offline sets this DB to offline mode
 // That means it won't try to sync anything
 func (b *DB) Offline() {