wasmtimer 0.4.0

Time utils from std::time, tokio::time and tokio_util::time on WASM targets
Documentation
# CHANGELOG

## 0.4.0

- Added a NodeJS example project [#19]https://github.com/whizsid/wasmtimer-rs/pull/19.
- Changed the behavior of `tokio::interval` to do the first tick immediately as in the original `tokio` crate [#20]https://github.com/whizsid/wasmtimer-rs/pull/20, [#12]https://github.com/whizsid/wasmtimer-rs/issues/12.

## 0.3.0

- Added new methods (`checked_duration_since`, `saturating_duration_since`, `checked_add` and `checked_sub`) to `std::time::Instant`. [#16]https://github.com/whizsid/wasmtimer-rs/pull/16, [#9]https://github.com/whizsid/wasmtimer-rs/issues/9.
- Fixed micro seconds precision lost issue. [#10]https://github.com/whizsid/wasmtimer-rs/issues/10

## 0.2.1

- Fixed the clippy warnings [#14]https://github.com/whizsid/wasmtimer-rs/pull/14.
- Implemented the `Debug`, `Copy`, `Clone` and `Display` traits for `std::time::SystemTime` [#13]https://github.com/whizsid/wasmtimer-rs/pull/13.
- Fixed the example on README file [#11]https://github.com/whizsid/wasmtimer-rs/pull/11.

## 0.2.0

- Used `performance.now()` and `setTimeout` from global scope instead of window [#7]https://github.com/whizsid/wasmtimer-rs/pull/7.
- NodeJS Support [#3]https://github.com/whizsid/wasmtimer-rs/issues/3.
- Web Worker Support [#5]https://github.com/whizsid/wasmtimer-rs/issues/5.

## 0.1.0

- Added serde support under a feature flag `serde` [#6]https://github.com/whizsid/wasmtimer-rs/pull/6, [#1]https://github.com/whizsid/wasmtimer-rs/issues/1.
- Changed the version requirements of dependencies to match future versions.

## 0.0.1

- Initial version with tokio, tokio_util, std APIs