New creates and returns a new BoltDB(file-based) storage instance based on the "path".

NewFromDB same as `New` but accepts an already-created custom boltdb connection instead.

DefaultFileMode used as the default database's "fileMode" for creating the sessions directory path, opening and write the session boltdb(file-based) storage.

ErrOptionsMissing returned on `New` when path or tableName are empty.

Database the BoltDB(file-based) session storage.