Added login_test method

lib/directadmin.py

@@ -60,6 +60,14 @@ class DirectAdminClient:
                     'message': response['text'][0]
                     }
 
+    def login_test(self):
+        r = self.make_request('CMD_API_LOGIN_TEST')
+        response = parse_qs(r.read().decode('utf8'),
+                         keep_blank_values=0,
+                         strict_parsing=1)
+        
+        return self.__process_response__(response)
+
     def get_domain_list(self):
         r = self.make_request('CMD_API_SHOW_DOMAINS')
 
@@ -86,6 +94,7 @@ class DirectAdminClient:
                               ('value', record_value)])
 
         if record_ttl is not None:
+            # Non-default is specified so we should add on the record
             params.update({'ttl': record_ttl})
 
         response = self.make_request('CMD_API_DNS_CONTROL', data=params)
@@ -105,6 +114,7 @@ class DirectAdminClient:
                               ('value', record_value_new)])
 
         if record_ttl is not None:
+            # Non-default is specified so we should add on the record
             params.update({'ttl': record_ttl})
 
         response = self.make_request('CMD_API_DNS_CONTROL', data=params)