crates-index-diff 4.0.0

Learn what's changed in the crates.io index
Documentation
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## v4.0.0 (2018-03-17)

* switch from rustc-serialize to serde

### Breaking Changes

* `CrateVersion::from_crates_diff_json(...)` was removed in favor of `CrateVersion::from_str(...)`
  which is powered by `serde`.

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## v3.0.0 (2016-12-30)

* use git2 v0.6 instead of v0.4 to support openssl-sys 0.9.


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### v2.0.1 (2016-12-27)

Add a tutorial to the documentation.


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## v2.0.0 (2016-12-26)


#### Bug Fixes

* **cargo:**  use git2 version for compat with docs.rs ([0ceebed3]https://github.com/Byron/crates-index-diff-rs/commit/0ceebed3d70c4482b5d09ffa1f9af5fea2bf7cd7)



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### v1.0.1 (2016-12-26)


#### Bug Fixes

* **makefile:**  make quick tests quick again ([9aa756ae]https://github.com/Byron/crates-index-diff-rs/commit/9aa756ae534e78fc1c9148a0f6eda27ff07350b5)

#### Features

* **display:**  implementation for changetype ([8ed9a81f]https://github.com/Byron/crates-index-diff-rs/commit/8ed9a81f0a84c43944f29f8407554303d84f7248)