chore(dep): Add depency

DanSnow · DanSnow · commit 4709b093a3f7 · 2016-12-21T14:33:42.000+08:00
diff --git a/shard.yml b/shard.yml
@@ -7,4 +7,8 @@ authors:
 description: |
   A binary parser
 
+development_dependencies:
+  expect:
+    github: dukex/expect.cr
+
 license: MIT
