diff --git a/kadmos/cmdows/cmdows.py b/kadmos/cmdows/cmdows.py
index cb5208cef4f57755861cb9048564c839a1e53368..fb846d58d7e53e41bb5b26cecf01e158f47acc60 100644
--- a/kadmos/cmdows/cmdows.py
+++ b/kadmos/cmdows/cmdows.py
@@ -398,7 +398,7 @@ class CMDOWS(object):
         self.add_element_to_element_of_uid(dc_uid, outputs_element, 'designCompetence', 'outputs')
         return
 
-    def add_dc_general_info(self, dc_uid, description, dc_instance, status=None, creation_date=None, owner_uid=None, creator_uid=None,
+    def add_dc_general_info(self, dc_uid, description, status=None, creation_date=None, owner_uid=None, creator_uid=None,
                             operator_uid=None, model_definition=None):
         """Method to add a general info element to a dc branch."""
         # if instance is higher than 1 the metadata should not be added.
diff --git a/kadmos/graph/graph_kadmos.py b/kadmos/graph/graph_kadmos.py
index 6b90596674f100ca0ab5e4b5d9b5a3eaf4879ce3..5f76fbbbff47d2d4d7fd9d8b2a3ebe1449362714 100644
--- a/kadmos/graph/graph_kadmos.py
+++ b/kadmos/graph/graph_kadmos.py
@@ -3439,9 +3439,8 @@ class KadmosGraph(nx.DiGraph, EquationMixin, VistomsMixin):
         """
 
         # Handle the fact that the *args could also be a list or tuple directly
-        if len(args) == 2 and isinstance(args[0], basestring) and (isinstance(args[1], tuple)
-                                                                   or isinstance(args[1], list)):
-            args = [args[0]] + [arg for arg in args[1]]
+        if len(args) == 1 and isinstance(args[0], (tuple, list)):
+            args = args[0]
 
         # Input assertions
         assert len(args) > 1, 'At least two arguments are required for a function mode merge.'
@@ -3449,24 +3448,26 @@ class KadmosGraph(nx.DiGraph, EquationMixin, VistomsMixin):
             assert isinstance(arg, basestring)
         # Create function-mode strings and check them
         function_nodes = list()
-        if 'suffices' in kwargs:
-            suffix_strs = kwargs['suffices']
+        if 'ignore_function_id' in kwargs:
+            assert isinstance(kwargs['ignore_function_id'], bool), 'ignore_function_id should be of type Boolean.'
+            ignore_function_id = kwargs['ignore_function_id']
         else:
-            suffix_strs = ['']*len(args)
+            ignore_function_id = False
         function_name_prev = None
         for idx, arg in enumerate(args):
-            node_name = arg + suffix_strs[idx]
+            node_name = arg
             function_name = self.nodes[node_name]['name']
             function_nodes.append(node_name)
             self.assert_node_exists(node_name)
             self.assert_node_attribute_and_value(node_name, 'category', 'function')
-            if function_name_prev is not None:
-                assert function_name == function_name_prev, 'Nodes {} and {} do not have the same function ' \
-                                                            'names.'.format(node_name, node_name_prev)
-                function_name_prev = function_name
-                node_name_prev = node_name
-            else:
-                function_name_prev = function_name
+            if not ignore_function_id:
+                if function_name_prev is not None:
+                    assert function_name == function_name_prev, 'Nodes {} and {} do not have the same function ' \
+                                                                'names.'.format(node_name, node_name_prev)
+                    function_name_prev = function_name
+                    node_name_prev = node_name
+                else:
+                    function_name_prev = function_name
         # Check or create new node label
         if 'new_label' in kwargs:
             assert isinstance(kwargs['new_label'], basestring)
diff --git a/setup.py b/setup.py
index 5ac4d899bdaafe27de5960b9eca70dfdf42debf3..419efcf2842f7bbe26a558c7cd2ef55a1d5d579b 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 
-version = '0.7.7'
+version = '0.8.0'
 
 
 def readme():
@@ -11,7 +11,7 @@ def readme():
 
 setup(name='kadmos',
       version=version,
-      description='Knowledge- and graph-based Agile Design with Multidisciplinary Optimization System',
+      description='Knowledge- and graph-based Agile Design for Multidisciplinary Optimization System',
       long_description=readme(),
       classifiers=[
         'Development Status :: 4 - Beta',