Merge pull request #252 from PyO3/davidhewitt-patch-1

update CHANGELOG for 0.15.1 release

Author: davidhewitt

CHANGELOG.md

@@ -4,8 +4,10 @@
   - Support object arrays ([#216](https://github.com/PyO3/rust-numpy/pull/216))
   - Support borrowing arrays that are part of other Python objects via `PyArray::borrow_from_array` ([#230](https://github.com/PyO3/rust-numpy/pull/216))
   - `PyArray::new` is now `unsafe`, as it produces uninitialized arrays ([#220](https://github.com/PyO3/rust-numpy/pull/220))
-  - Fix thread-safety in internal API globals ([#222](https://github.com/PyO3/rust-numpy/pull/222))
+
+- v0.15.1
   - Make arrays produced via `IntoPyArray`, i.e. those owning Rust data, writeable ([#235](https://github.com/PyO3/rust-numpy/pull/235))
+  - Fix thread-safety in internal API globals ([#222](https://github.com/PyO3/rust-numpy/pull/222))
 
 - v0.15.0
   - [Remove resolver from Cargo.toml](https://github.com/PyO3/rust-numpy/pull/202)