diff --git a/licensing/methods.py b/licensing/methods.py
index 6844577..f5f35f4 100644
--- a/licensing/methods.py
+++ b/licensing/methods.py
@@ -546,6 +546,74 @@ def create_key_from_template(token, license_template_id):
                return (False, "Could not contact the server.")
            
         return (jobj["key"], jobj["rawResponse"], jobj["message"])
+    
+    def add_feature(token, product_id, key, feature):
+        """
+        This method will set a certain feature (F1..F8) to true.
+        If the key algorithm in the product is SKGL, the key string will be
+        changed if necessary. Otherwise, if SKM15 is used, the key will stay 
+        the same. To do the reverse, please see RemoveFeature.
+        
+        More docs: https://app.cryptolens.io/docs/api/v3/AddFeature
+        """
+        
+        response = ""
+        
+        try:
+            response = HelperMethods.send_request("/key/AddFeature", {"token":token,\
+                                                  "ProductId":product_id,\
+                                                  "Key" : key,\
+                                                  "Feature" : feature})
+        except HTTPError as e:
+            response = e.read()
+        except URLError as e:
+            return (None, "Could not contact the server. Error message: " + str(e))
+        except Exception:
+            return (None, "Could not contact the server.")
+        
+        jobj = json.loads(response)
+
+        if jobj == None or not("result" in jobj) or jobj["result"] == 1:
+            if jobj != None:
+                return (False, jobj["message"])
+            else:
+               return (False, "Could not contact the server.")
+           
+        return (True, jobj["message"])
+    
+    def remove_feature(token, product_id, key, feature):
+        """
+        This method will set a certain feature (F1..F8) to false. If the key
+        algorithm in the product is SKGL, the key string will be changed if
+        necessary. Otherwise, if SKM15 is used, the key will stay the same.
+        To do the reverse, please see AddFeature.
+        
+        More docs: https://app.cryptolens.io/docs/api/v3/RemoveFeature
+        """
+        
+        response = ""
+        
+        try:
+            response = HelperMethods.send_request("/key/RemoveFeature", {"token":token,\
+                                                  "ProductId":product_id,\
+                                                  "Key" : key,\
+                                                  "Feature" : feature})
+        except HTTPError as e:
+            response = e.read()
+        except URLError as e:
+            return (None, "Could not contact the server. Error message: " + str(e))
+        except Exception:
+            return (None, "Could not contact the server.")
+        
+        jobj = json.loads(response)
+
+        if jobj == None or not("result" in jobj) or jobj["result"] == 1:
+            if jobj != None:
+                return (False, jobj["message"])
+            else:
+               return (False, "Could not contact the server.")
+           
+        return (True, jobj["message"])
 
 class AI:
     
diff --git a/setup.py b/setup.py
index c314fc7..3f91393 100644
--- a/setup.py
+++ b/setup.py
@@ -2,13 +2,13 @@
 setup(
   name = 'licensing',         # How you named your package folder (MyLib)
   packages = ['licensing'],   # Chose the same as "name"
-  version = '0.43',      # Start with a small number and increase it with every change you make
+  version = '0.44',      # Start with a small number and increase it with every change you make
   license='MIT',        # Chose a license from here: https://help.github.com/articles/licensing-a-repository
   description = 'Client library for Cryptolens licensing Web API.',   # Give a short description about your library
   author = 'Cryptolens AB',                   # Type in your name
   author_email = 'support@cryptolens.io',      # Type in your E-Mail
   url = 'https://cryptolens.io',   # Provide either the link to your github or to your website
-  download_url = 'https://github.com/Cryptolens/cryptolens-python/archive/v_42.tar.gz',    # I explain this later on
+  download_url = 'https://github.com/Cryptolens/cryptolens-python/archive/v_44.tar.gz',    # I explain this later on
   keywords = ['software licensing', 'licensing library', 'cryptolens'],   # Keywords that define your package best
   classifiers=[
     #'Development Status :: 5 - Stable',      # Chose either "3 - Alpha", "4 - Beta" or "5 - Production/Stable" as the current state of your package