Fixed inconsistency bug with adding TXT records with Azure.

octodns/provider/azuredns.py

@@ -90,7 +90,6 @@ class _AzureRecord(object):
     _params_for_AAAA = _params
     _params_for_NS = _params
     _params_for_PTR = _params
-    _params_for_TXT = _params
 
     def _params_for_CNAME(self, data, key_name, azure_class):
         return {key_name: azure_class(data['value'])}
@@ -121,6 +120,12 @@ class _AzureRecord(object):
                                       data['value']['target']))
         return {key_name: params}
 
+    def _params_for_TXT(self, data, key_name, azure_class):
+        if 'values' in data:
+            return {key_name: [azure_class([v]) for v in data['values']]}
+        else:  # API for TxtRecord has list of str, even for singleton
+            return {key_name: [azure_class([data['value']])]}
+
     def _equals(self, b):
         '''Checks whether two records are equal by comparing all fields.
             :param b: Another _AzureRecord object