Update MinValue for all player counts (#269)

This is to address https://github.com/CubeCoders/AMP/issues/803

craftopiaconfig.json

@@ -63,7 +63,7 @@
     },
     {
         "DisplayName": "Max Players",
-        "Description": "Maximum number of player can join into the server.",
+        "Description": "Maximum number of player can join into the server. (1-127)",
         "Category": "Server Settings",
         "Keywords": "max players",
         "FieldName": "$MaxUsers",
@@ -73,7 +73,9 @@
         "IncludeInCommandLine": true,
         "DefaultValue": "7",
         "EnumValues": {},
-        "suffix": "1-127"
+        "suffix": "players",
+        "MinValue":"1",
+        "MaxValue":"127"
     },
     {
         "DisplayName": "Enable Password",