Merge pull request #100 from yutopp/tag/0.1.5

Bump version to 0.1.5

Author: yutopp

obeam.opam

@@ -1,6 +1,6 @@
 opam-version: "2.0"
 name: "obeam"
-version: "0.1.4"
+version: "0.1.5"
 maintainer: "yutopp <yutopp@gmail.com>"
 authors: ["yutopp <yutopp@gmail.com>" "amutake <amutake.s@gmail.com>"]
 homepage: "https://github.com/yutopp/obeam"