Sync write of outputs with autorefresh/cycle or .writeprocimg, if shared_procimg=True

If shared_procimg=True, ModIO wrote the new set values directly to the process
image without cycle sync mechanisms. As a result, the IOs could change status
several times within the cycleloop, which is wrong.

setup.py

@@ -17,7 +17,7 @@ setup(
 
     license="LGPLv3",
     name="revpimodio2",
-    version="2.5.5",
+    version="2.5.5a",
 
     packages=["revpimodio2"],
     python_requires="~=3.2",