new: Load Org and Orgc as MISPOrganisation

Related to #239

pymisp/mispevent.py

@@ -371,6 +371,21 @@ def __init__(self, describe_types=None, strict_validation=False):
     def known_types(self):
         return self._types
 
+    @property
+    def org(self):
+        return self.Org
+
+    @property
+    def orgc(self):
+        return self.Orgc
+
+    @orgc.setter
+    def orgc(self, orgc):
+        if isinstance(orgc, MISPOrganisation):
+            self.Orgc = orgc
+        else:
+            raise PyMISPError('Orgc must be of type MISPOrganisation.')
+
     @property
     def attributes(self):
         return self.Attribute
@@ -516,6 +531,12 @@ def from_dict(self, **kwargs):
         if kwargs.get('Object'):
             for obj in kwargs.pop('Object'):
                 self.add_object(obj)
+        if kwargs.get('Org'):
+            self.Org = MISPOrganisation()
+            self.Org.from_dict(**kwargs.pop('Org'))
+        if kwargs.get('Orgc'):
+            self.Orgc = MISPOrganisation()
+            self.Orgc.from_dict(**kwargs.pop('Orgc'))
 
         super(MISPEvent, self).from_dict(**kwargs)