Fix meta

Such a simple mistake...
But it messes the bots up D:
Fix possible error

Without checking if there's a player, things like this:

on projectile hits block:
- ^showfake 8 <context.projectile.location> d:5
- ^narrate "Wee!"

throw angry stacktraces, instead of happy dErrors.
Renaming process...

Ignore this, GitHub just doesn't recognize case changes
Rename packages (Fix casing)

Finish the renaming process.
Capitalized names are for classes, @mcmonkey4eva
Merge pull request #602 from Morphan1/master

Random fixes
Optimise RepeatCommand slightly
Add <script> tag to get attached script and <s@script.cons[constant_name]>  for fetching script constants.
Merge build.
Fix issue, meta.
Merge branch 'master' of https://github.com/aufdemrand/Denizen