update install.py script to build a wheel and install that

python/makewheel.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+
+import sys,os,shutil
+
+if sys.platform == 'win32':
+  virtenv=os.path.join('buildwheel','Scripts','activate_this.py')
+else:
+  virtenv=os.path.join('buildwheel','bin','activate_this.py')
+
+exec(open(virtenv).read(), {'__file__': virtenv})
+
+os.system('python -m pip install --upgrade pip')
+os.system('python -m pip install --upgrade -r wheel_requirements.txt')
+print("Building new binary wheel")
+os.system('python -m build --wheel -o .')