added semver maker and two chaos experiments

Signed-off-by: rajdas <mail.rajdas@gmail.com>

scripts/semversion_checker.py

@@ -0,0 +1,11 @@
+import re
+import sys
+
+# semantic version regex
+regex = "^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$"
+result = re.search(regex, sys.argv[1])
+
+if result:
+    sys.exit(0) # on success
+else:
+    sys.exit(1) #on failure