changed composer.json to require satooshi/php-coveralls version 1.0.0

Author: hiqsol

composer.json

@@ -22,7 +22,7 @@
     },
     "require-dev": {
         "omnipay/tests": "~2.0",
-        "satooshi/php-coveralls": "dev-master"
+        "satooshi/php-coveralls": "1.0.0"
     },
     "extra": {
         "branch-alias": {