* Adds free form model generation in python-experimental
* Adds hasValidation property to codegenModel
* Adds separate variable val
* Samples regenerated
* Updates test_some_object.py
* Adds two more boolean conditions
* Runs ensure up to date
* Updates tests to check that models are or are not generated
* Removes unused import
* Updates model names in java test
* Removes unneeded test
* Cleans up tests
