[Quest API] Add Spell methods to Perl. (#1631)

* [Quest API] Add Spell methods to Perl.
- Add quest::getspell(spell_id) to Perl.
- Add eq.get_spell(spell_id) to Lua.
These methods return a spell object.

Exports $spell object references to spell events.

* Formatting.

* Remove comment.

* Update spdat.cpp

* Amplication typo.

* Fix conflicts.

* Remove repository changes.

* Fix typing.

* Update spell_effects.cpp

zone/CMakeLists.txt

@@ -121,6 +121,7 @@ SET(zone_sources
 	perl_player_corpse.cpp
 	perl_questitem.cpp
 	perl_raids.cpp
+	perl_spell.cpp
 	perlpacket.cpp
 	petitions.cpp
 	pets.cpp