add

setup.cfg

@@ -0,0 +1,23 @@
+[bdist_wheel]
+# This flag says that the code is written to work on both Python 2 and Python
+# 3. If at all possible, it is good practice to do this. If you cannot, you
+# will need to generate wheels for each Python version that you support.
+universal=1
+
+[flake8]
+ignore = E501
+exclude =
+    .ropeproject,
+    .tox,
+    .eggs,
+    # No need to traverse our git directory
+    .git,
+    # There's no value in checking cache directories
+    __pycache__,
+    # Other special cases
+    node_modules,
+    .nyc_output,
+    build,
+    tmp,
+    # No need to check the basecode
+    ccxt.py