Rename query_named_row -> query_row_named.
Rename query_named_row -> query_row_named.

I think this is more consistent with Rust's tendency to group similar
methods like `iter`, `iter_mut` by appending the difference as a suffix.

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