Add some inventory tags, add slot options to inventory commands
Merge pull request #658 from Morphan1/master

Inventory-related. Imagine that, eh?
Merge pull request #657 from mcmonkey4eva/master

Pull request for new functionality
Fix Take and Give command

I've done this exact same thing before.
I'm just stupid sometimes
Merge pull request #662 from Morphan1/master

Déjà vu
Merge pull request #661 from mcmonkey4eva/master

Pull request for not particularly much
add &at escapes

To avoid accidental creation of dObjects from user input (Probably not
an issue, but better safe than sorry!)
Make escape tags return an element

Now we can do weird things like escape.substring[5]:po|ta|to
(To match the similar Math: commit)
Also, clean the ParticleEffect meta.