Right-pad version tuples so 0.2 and 0.2.0 compare equal (PEP 440), avoiding a
duplicate-version publish that PyPI rejects. Exclude fully-yanked releases when
computing the published max so a yanked high version can't block real bumps.
Fail loud when a 200 response lacks a releases key instead of assuming the
package is new. Surface curl transport errors and add red-green coverage.
Jordan Ritter
f3365d8603