Adding Section properties cardinality by mpsonntag · Pull Request #383 · G-Node/python-odml

Adds and registers a validation to check the properties
cardinality of Sections.

Adds tests for Section set properties cardinality
including a general function that can be reused for
Section set sections cardinality tests.

Adds tests for the Section properties cardinality
convenience set method including a general method
that can be reused for the Section sections cardinality
convenience set method.

Tests saving and loading the Section properties cardinality
attribute to and from all supported file formats.

Adds a general test method that can be reused with the
Section sections cardinality.

Tests the Section properties cardinality validation