0.3.0, from_str behavior changes, now prefer .parse() to ::from_str

Merge pull request shnewto#49 from shnewto/version-bump-0.2.7

version bump to 0.2.7

Merge pull request shnewto#41 from shnewto/feat/derive-eq-and-hash

Derive Eq and Hash for some work on a dependent crate