Merge pull request #21 from Kerollmops/bump-version

Bump version to 0.4.0

Author: Kerollmops

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "grenad"
 description = "Tools to sort, merge, write, and read immutable key-value pairs."
-version = "0.3.1"
+version = "0.4.0"
 authors = ["Kerollmops <clement@meilisearch.com>"]
 repository = "https://github.com/Kerollmops/grenad"
 documentation = "https://docs.rs/grenad"