v0.4.0

 ## Breaking
* #21 -feat(breaking): make FromIteratorFixed more generic
  Update `FromIteratorFixed` trait to avoid
  unnameable iterator type as type paramater in the trait

 ## Other changes

* #22 - Some cleaning from additional clippy lints
* #20 - fix: nightly flags and clippy warnings
* #24 - Migrate to use cargo readme
* #25 - Use cargo readme in ci

 ## Thank you
* @Daniel-Aaron-Bloom
* @gwen-lg

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "iter_fixed"
-version = "0.3.1"
+version = "0.4.0"
 authors = ["Albin Hedman <albin9604@gmail.com>"]
 edition = "2021"
 license = "MIT OR Apache-2.0"