bump patch version

ryankurte · web-flow · commit 3d21f674cca7 · 2019-05-29T13:20:55.000+12:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sysfs_gpio"
-version = "0.5.3"
+version = "0.5.4"
 authors = ["Paul Osborne <osbpau@gmail.com>"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/rust-embedded/rust-sysfs-gpio"
