WIP: Support MSVC

[jaune]

Support MSVC, compile, and run.

Tested only with a console.log in _ready.

[fire]

There are some python whitespace changes:

diff --git a/config.py b/config.py
index b846f34..c2c7eae 100644
--- a/config.py
+++ b/config.py
@@ -1,5 +1,5 @@
 def can_build(env, platform):
-    return True #(platform == "windows" and env["use_mingw"]) or platform == "linux" or platform == "macos"
+    return True  # (platform == "windows" and env["use_mingw"]) or platform == "linux" or platform == "macos"
 
 
 def configure(env):