Added metafiles

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false

.gitignore

@@ -0,0 +1,2 @@
+venv
+__pycache__

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+    "cSpell.words": [
+        "freevar",
+        "pyparsing",
+        "subvar"
+    ],
+    "python.analysis.typeCheckingMode": "basic"
+}