Atomic-counter

What's Changed
* Set value, get current by timkpaine in https://github.com/timkpaine/atomic-counter/pull/14
* simplify by timkpaine in https://github.com/timkpaine/atomic-counter/pull/15


**Full Changelog**: https://github.com/timkpaine/atomic-counter/compare/v0.1.2...v0.1.3

What's Changed
* unpin maturin, add more classifiers by timkpaine in https://github.com/timkpaine/atomic-counter/pull/5
* Remove unused rust dep, pin maturin to range by timkpaine in https://github.com/timkpaine/atomic-counter/pull/6


**Full Changelog**: https://github.com/timkpaine/atomic-counter/compare/v0.1.1...v0.1.2

First release with very basic, minimal functionality