Add backup and restore methods to SqliteConnection (behind `backup` Cargo feature)
Add backup and restore methods to SqliteConnection (behind `backup` Cargo feature)

mikelodder7/rusqlcipher,gwenn/rusqlite,jgallagher/rusqlite,jgallagher/rusqlite,xinghun92/rusqlite,mikelodder7/rusqlcipher,gwenn/rusqlite,gwenn/rusqlite,jgallagher/rusqlite,mikelodder7/rusqlcipher,xinghun92/rusqlite,xinghun92/rusqlite