Rewrite to kelunik/acme version 0.3.0-dev

composer.json

@@ -6,8 +6,8 @@
         "ext-posix": "*",
         "ext-openssl": "*",
         "bramus/monolog-colored-line-formatter": "^2",
-        "kelunik/acme": "dev-master",
-        "kelunik/certificate": "dev-master",
+        "kelunik/acme": "^0.3",
+        "kelunik/certificate": "^1",
         "league/climate": "^3",
         "monolog/monolog": "^1.17",
         "psr/log": "^1",