deps: update Crystal to 0.26

vladfaust · vladfaust · commit 454a4aae17b2 · 2018-08-16T19:44:49.000+03:00
diff --git a/shard.yml b/shard.yml
@@ -4,7 +4,7 @@ version: 0.4.0
 authors:
   - Vlad Faust <mail@vladfaust.com>
 
-crystal: 0.25.0
+crystal: 0.26.0
 
 license: MIT
 
