Hi altoidboy, sorry for not getting back sooner, I've sadly neglected this plugin for a while.
It's due an upgrade soon - with a client's site I've discovered that there's definitely a problem with the fact that the plugin doesn't prevent non-admins from changing the publication status of a page. From this plugin's point of view, that's as bad as deleting it! But currently you can switch something to draft.
So, when I get a moment to address this, I'll try and look at the issue you've found. I've not used Front-End Editor before, but obviously Lock Pages should cater for that, too.
Don't hold your breath, but I'll try and get onto this asap.