[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/aa_rank_effects.h

@@ -29,8 +29,8 @@ struct RankEffect
 {
 	int slot;
 	int effect_id;
-	int base1;
-	int base2;
+	int base_value;
+	int limit_value;
 };
 
 }