Proper 'serde' features and serialize implementations #22
Description
Following up on #17 (comment):
After serde is upgraded then I hope to ensure that all the stdx crates have proper 'serde' features and serialize implementations.
- ndarray - Update to Serde 1.0 rust-ndarray/ndarray#314
- num - Update to Serde 1.0 rust-num/num#281
- url has some unusual considerations with serde support being out of crate