Support Magento 2.3.1

"magento/product-community-edition 2.3.1 requires magento/module-backend 101.0.1 -> satisfiable by magento/module-backend[101.0.1]."

Author: Ilan Parmentier

composer.json

@@ -14,7 +14,7 @@
     ],
     "require": {
         "php": "~5.6.0|7.0.2|7.0.4|~7.0.6|~7.1.0|~7.1.3|~7.2.0",
-        "magento/module-backend": "100.0.*|100.1.*|100.2.*|101.0.0",
+        "magento/module-backend": "100.0.*|100.1.*|100.2.*|101.0.*",
         "magento/framework": "100.0.*|100.1.*|101.0.*|102.0.*"
     },
     "suggest": {