Merge pull request #2 from cauebs/master

Simplify error handling and clean up code

Author: roosta

Cargo.toml

@@ -16,6 +16,9 @@ travis-ci = { repository = "roosta/i3wsr" }
 
 [dependencies]
 xcb = "0.8"
+exitfailure = "0.5.1"
+failure = "0.1.2"
+failure_derive = "0.1.2"
 
 [dependencies.i3ipc]
 version = "0.8.2"