Merge pull request #35 from Razican/readme_version

Updated README version to the latest version in crates.io

Author: posborne

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: