adds     docs/COMPOSITE_TRANSACTION.md
	adds     docs/DEBUG.md
	adds     docs/EXTEND_ASSERTIONS.md
	adds     docs/FAQ.md
	adds     docs/MIGRATE_CODE.md
	modifies docs/PT_AND_POM.md
	adds     docs/TUTORIAL.md
	modifies docs/TUTORIAL_TESTING.md
	adds     docs/index.rst
	adds     tests/unit_test/test_composite.py