Make fallbacks hide more errors

<el@val[3].potato||null> shouldn't error - it has a fallback!
Merge branch 'master' of https://github.com/aufdemrand/Denizen
Escape the [] symbols internally

Those are big security risks, as they are often parsed as dynamically as
<> are.
Make format scripts respect the debug: option

At least for 'filled tag with x' debug
Add queue link to SQL-related errors
fix a listener bug

getSaveName wasn't in use
Merge branch 'master' of https://github.com/aufdemrand/Denizen
Add tag server.get_players_flagged

More flag control + some internal work to support it.
add tag server.get_online_players_flagged

More flag control!
add tag server.get_spawned_npcs_flagged

More flag control!
Add tag list.contains_any[e1|e2|...]

Further list control!
add tag element.contains_any[e1|e2|...]

Further text control!
Improve some debug

We use quotes around variables in Denizen debug - keeping that
consistent
add mech dNPC.attack_range, tag npc.navigator.attack_range

Attacks are best controlled.
Add mech dNPC.range

Pathfinding range, specifically.
add on <script> generates error

Further useful error handling!
Add tag cuboid.full

More cuboid control, hooray!
Fix rare potential error

Apparently the event seems to fire with a null NPC sometimes?
Also improve some meta
Add list.contains_*_case_sensitive tags

Case sensitivity is useful in some rare cases.
Add element.contains_*_case_sensitive tags

Case sensitivity is useful in some rare cases.