[Section] Add create_property method

Author: mpsonntag

odml/section.py

@@ -595,4 +595,24 @@ def create_section(self, name, type="undefined", oid=None):
         """
         sec = BaseSection(name=name, type=type, oid=oid)
         sec.parent = self
+
         return sec
+
+    def create_property(self, name, value=None, dtype=None, oid=None):
+        """
+        Create a new property that is a child of this section.
+
+        :param name: The name of the property.
+        :param value: Some data value, it can be a single value or
+                      a list of homogeneous values.
+        :param dtype: The data type of the values stored in the property,
+                      if dtype is not given, the type is deduced from the values.
+                      Check odml.DType for supported data types.
+        :param oid: object id, UUID string as specified in RFC 4122. If no id
+                    is provided, an id will be generated and assigned.
+        :return: The new property.
+        """
+        prop = BaseProperty(name=name, value=value, dtype=dtype, oid=oid)
+        prop.parent = self
+
+        return prop