diff --git a/django_grpc/__init__.py b/django_grpc/__init__.py
index 7525d19..66a87bb 100644
--- a/django_grpc/__init__.py
+++ b/django_grpc/__init__.py
@@ -1 +1 @@
-__version__ = '0.1.4'
+__version__ = '0.1.5'
diff --git a/django_grpc/management/commands/grpcserver.py b/django_grpc/management/commands/grpcserver.py
index 42a5fdb..c7874a7 100644
--- a/django_grpc/management/commands/grpcserver.py
+++ b/django_grpc/management/commands/grpcserver.py
@@ -36,8 +36,9 @@ def _serve(self, max_workers, port, *args, **kwargs):
         self.stdout.write("Server is listening port %s" % port)
 
         if kwargs['list_handlers'] is True:
+            self.stdout.write("Registered handlers:")
             for handler in extract_handlers(server):
-                self.stdout.write(self.style.INFO(handler))
+                self.stdout.write("* %s" % handler)
 
         # since server.start() will not block,
         # a sleep-loop is added to keep alive
diff --git a/django_grpc/serializers/base.py b/django_grpc/serializers/base.py
index acdf30d..d4f4fcf 100644
--- a/django_grpc/serializers/base.py
+++ b/django_grpc/serializers/base.py
@@ -48,6 +48,7 @@ def find_for_model(cls, instance, serializers: Iterable):
     @classmethod
     def serialize_model(cls, message_class, instance: 'Model', serializers):
         serializer = cls.find_for_model(instance, serializers)
+        serializer.serializers = serializers
         return message_class(**serializer._to_dict(message_class.DESCRIPTOR.fields_by_name.items(), instance))
 
     @classmethod
@@ -77,16 +78,22 @@ def _message_value(val):
     """
     Check if nested values need to be deserialized
     """
+    class_name = val.__class__.__name__
+    # List of structures
     # Convert repeated
     # if isinstance(val, RepeatedCompositeContainer):
-    if val.__class__.__name__ == 'RepeatedCompositeContainer':
+    if class_name == 'RepeatedCompositeContainer':
         return [
             message_to_python(it)
             for it in val
         ]
+    # List of simple types
+    if class_name == 'RepeatedScalarContainer':
+        return list(val)
 
-    # Convert complex types
+    # Convert single complex type (structure)
     if isinstance(val, Message):
         return message_to_python(val)
 
+    # Simple type (str, int, bool)
     return val
diff --git a/django_grpc/utils.py b/django_grpc/utils.py
index eb6b4f3..31d345f 100644
--- a/django_grpc/utils.py
+++ b/django_grpc/utils.py
@@ -1,9 +1,14 @@
+from abc import ABCMeta
+import logging
 from concurrent import futures
 
 import grpc
 from django.utils.module_loading import import_string
 
 
+logger = logging.getLogger(__name__)
+
+
 def create_server(max_workers, port):
     # create a gRPC server
     server = grpc.server(futures.ThreadPoolExecutor(max_workers=max_workers))
@@ -19,10 +24,24 @@ def add_servicers(server):
     """
     from django.conf import settings
     for path in settings.GRPC_SERVICERS:
+        logger.debug("Adding servicers from %s", path)
         callback = import_string(path)
         callback(server)
 
 
 def extract_handlers(server):
     for it in server._state.generic_handlers[0]._method_handlers.values():
-        yield it.unary_unary.__qualname__
+        unary = it.unary_unary
+        if unary is None:
+            logger.warning("%s is invalid", it)
+            continue
+            
+        code = it.unary_unary.__code__
+        abstract = ''
+        if isinstance(it.__class__, ABCMeta):
+            abstract = 'NOT IMPLEMENTED'
+        yield "{name}({params}) {abstract}".format(
+            name=code.co_name,
+            params=", ".join(code.co_varnames),
+            abstract=abstract
+        )
diff --git a/setup.cfg b/setup.cfg
index 561713c..a1616c1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.1.4
+current_version = 0.1.5
 commit = True
 tag = True