move files into the pytest file structure

pytest_stepwise/__init__.py

@@ -1 +0,0 @@
-__version__ = '0.4'

pytest_stepwise/compat.py

@@ -1,18 +0,0 @@
-import pytest
-
-try:
-    from _pytest.cacheprovider import Cache
-except ImportError:
-    from pytest_cache import Cache
-
-try:
-    # pytest 3.7+
-    Cache = Cache.for_config
-except AttributeError:
-    pass
-
-
-if hasattr(pytest, 'hookimpl'):
-    tryfirst = pytest.hookimpl(tryfirst=True)
-else:
-    tryfirst = pytest.mark.tryfirst

tests/conftest.py

@@ -1 +0,0 @@
-pytest_plugins = 'pytester'