Fix overwrete logic for files based on modified date. Rationalise perform logic routines

sm2gen.py

@@ -393,7 +393,7 @@ def check_file_version(filename,force_Files=False):
     #
 	if force_Files:
 		return filename
-	ThresholdSecs  = 3 #allow secs since creation date before treat as changed.
+	ThresholdSecs  = 70 #allow secs since creation date before treat as changed.
 	try:
 		with open(filename, 'r') as file:
 			# Read the first three lines
@@ -419,6 +419,7 @@ def check_file_version(filename,force_Files=False):
 
 		# Get the last modified time of the file, ignoring milliseconds
 		file_modified_time = datetime.fromtimestamp(os.path.getmtime(filename)).replace(microsecond=0)
+		logger.debug(f"{filename} - created:{timestamp_str} - modified:{file_modified_time.strftime('%Y-%m-%d %H:%M:%S')}")
 		
 		# Compare the timestamps
 		if file_modified_time > file_timestamp: