Fixed some rules to prevent empty arrays/strings

Author: philipashlock

Diff for: schema/1_0_final/single_entry.json

@@ -54,14 +54,14 @@
                    "items": {
                         "type": "string",
                         "pattern": "[0-9]{3}:[0-9]{2}"
-                    }
+                    }, 
+                   "minItems": 1,
+                   "uniqueItems": true
                 },
                 {
                     "type": "null"                    
                 }
-              ],
-            "minItems": 1,
-            "uniqueItems": true
+              ]
         },
         "contactPoint": {
             "title":"Contact Name",
@@ -384,7 +384,8 @@
                 {
                    "type": "array",
                    "items": {
-                       "type": "string"
+                       "type": "string",
+                       "minLength": 1
                    },
                    "minItems": 1,
                    "uniqueItems": true