Incorporate run.py into __main__.py for setuptools

setuptools creates a broken cq-editor.exe that has a non-working ipython console

cq_editor/__main__.py

@@ -1,8 +1,19 @@
 import sys
+import os
+import asyncio
 import argparse
+import faulthandler
 
 from PyQt5.QtWidgets import QApplication
 
+faulthandler.enable()
+
+if 'CASROOT' in os.environ:
+    del os.environ['CASROOT']
+
+if sys.platform == 'win32':
+    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+
 NAME = 'CQ-editor'
 
 #need to initialize QApp here, otherewise svg icons do not work on windows