Fix #38 - Update documentations

As phpIPAM does not support `User token` via `http` by default we need
to adapt our documentation to reflect these fact.

Author: cmeissner

phpypam/core/api.py

@@ -27,7 +27,9 @@ def __init__(self, url, app_id, username=None, password=None, token=None, encryp
 
         The costructor collects all data to connect to phpIPAM API. If all data is there it makes the connection to the given server.
 
-        :param url: The URL to a phpIPAM instance. As phpIPAM expects `https` we also only supports secure connections.
+        :param url: The URL to a phpIPAM instance. It includes the protocol (`https` or `http`).
+            As phpIPAM does not support `http` and `User token` by default you have to configure phpIPAM to allow unsecure connections.
+            But be aware on security risk in conjunction with this setting.
         :type url: str
         :param app_id: The app_id which is used for the API operations.
             For modifying operations it needs read/write access.