check is saikuro script is executable in stead of checking if it exists
update HISTORY.md
Run saikuro metrics the same way as the other metrics
Run saikuro metrics the same way as the other metrics
Merge branch 'master' of https://github.com/MGotink/metric_fu
Remove some old code and comments
Merge branch 'master' of https://github.com/MGotink/metric_fu into MGotink-master

Conflicts:
	HISTORY.md