Combat changes and bug fixes

Added the combo and proc systems
Added scripts for most weaponskill and spells as well as some abilities and status effects
Added support for multihit attacks
Added AbilityState for abilities
Added hiteffects that change based on an attack's parameters
Added positionals

Changed how targeting works for battlecommands

Fixed bug that occurred when moving or swapping hotbar commands
Fixed bug that occurred when losing status effects

data/scripts/commands/weaponskill/bloodletter.lua

@@ -0,0 +1,20 @@
+require("global");
+require("weaponskill");
+
+function onSkillPrepare(caster, target, skill)
+    return 0;
+end;
+
+function onSkillStart(caster, target, skill)
+    return 0;
+end;
+
+--Inflicts additional damage when bleed ends
+--Note for later, going to set bleed tier to 2, when bleed get scripted, check if tier is 2 and add additional damage at the end
+function onCombo(caster, target, skill)
+    skill.statusTier = 2;
+end;
+
+function onSkillFinish(caster, target, skill, action)
+    return weaponskill.onSkillFinish(caster, target, skill, action);
+end;