Updated README version to the latest version in crates.io

Razican · Razican · commit e98bef84428d · 2017-05-28T19:01:46.000+02:00
diff --git a/README.md b/README.md
@@ -27,7 +27,7 @@ To use `sysfs_gpio`, first add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-sysfs_gpio = "0.4"
+sysfs_gpio = "0.5"
 ```
 
 Then, add this to your crate root:
