Tests, documentation, fixes

tests/test_PythonFile.py

@@ -0,0 +1,19 @@
+import unittest
+
+from tests.support import *
+
+class TestPythonFile(unittest.TestCase):
+    pass
+
+    # Missing variables:
+    # code
+    # header_data
+    # text
+    # open_files
+
+    # Missing methods:
+    # generate_text()
+    # update_dynamo()
+    # get_source_dynamo_file()
+    # read()
+    # write()