adds array to type element in schema

kicker-schema-1.json

@@ -102,7 +102,7 @@
           "description": "The variable type (default is 'text').",
           "type": "string",
           "default": "text",
-          "enum": [ "text", "url", "boolean", "enum", "number"]
+          "enum": [ "text", "url", "boolean", "enum", "number", "array"]
         },
         "values": {
           "description": "The different variable values (for an 'enum' type only).",