Merge pull request #14 from Y-Nak/fix-readme

Fix `README`

README.md

@@ -9,7 +9,7 @@ Add the following dependency to your `Cargo.toml`.
 
 ``` toml
 [dev-dependencies]
-dir-test = "0.1"
+dir-test = "0.4"
 ```
 
 ### Basic Usage
@@ -141,4 +141,4 @@ use dir_test::{dir_test, Fixture};
 fn test(fixture: Fixture<&str>) -> std::io::Result<()> {
     // ...
 }
-```
+```