Introduce MSRV and minor fixes

Introduce MSRV and minor fixes

0.18.2

Admit parent folders in files glob path

0.18.1

Fix doc and one doc test

0.18.0

• New #[file] attribute
• Default timeoute via RSTEST_TIMEOUT environment variable

Fixes and dependency update

0.17.0

Introduce #[awt] and #[future(awt)] feature.

0.16.0

Use values expression to define test names.

0.15.0

Fix bug on timeout tests that doesn't accept values that without copy trait.

0.14.0

Feature gate async-timeout

0.13.0

Timeout

Introduce #[timeout] attribute

0.12.0

Introduce #[once] fixture attribute