Fix duration.time.year

Math!
Patch meta

"Who writes this crap?!"
Add a  'max blocks' config setting

To prevent tag-powered server crashes.
Add tag element.to_itemscript_hash

Yay for better item script control via elements.
Add materiallist matcher

Yay for matching lists of things. Should we add lists of other things?
Change the escape codes

To allow 0x03 to go through
Merge pull request #879 from mcmonkey4eva/master

Pull request for let's take it slow