test-tag 0.1.4

The #[tag] attribute for convenient tagging/grouping of #[test] tests.
Documentation
0.1.4
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- Added additional use case to README


0.1.3
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- Added generation of top-level import of original test function to
  support cross-test references


0.1.2
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- Updated crate documentation


0.1.1
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- Fixed crate description in Cargo manifest


0.1.0
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- Initial release