Add run selector + unit handling + multiprocessing + examples

auto_pp.sh

@@ -0,0 +1,8 @@
+#! /bin/bash
+
+while true; do
+    date >> ~/pp.log
+    python auto_pp.py >> ~/pp.log  2>&1
+    printf "\n\n" >> ~/pp.log
+    sleep 2000
+done