change the library version requirement

Author: macintoshplus

composer.json

@@ -20,9 +20,10 @@
       "Win32ServiceBundle\\Tests\\": "tests/"
     }
   },
+  "minimum-stability": "beta",
   "require": {
     "php": "^7.1.0 <7.4.0",
-    "win32service/service-library": "dev-new_feature_0_4@dev",
+    "win32service/service-library": "^0.1.0",
     "symfony/http-kernel": "^4.0",
     "symfony/console": "^4.0",
     "symfony/config": "^4.0",