memory leak fix

buildnumber.txt

@@ -1 +1 @@
-1995
+1997

source/funkin/mods/ModsFolder.hx

@@ -86,8 +86,10 @@ class ModsFolder {
 
     public static function unloadMod(mod:String) {
         if (mod == null) return;
+        Paths.assetsTree.clearCache();
         Paths.assetsTree.removeLibrary(loadedMods[mod]);
         Assets.unloadLibrary('mods/$mod'.toLowerCase());
+        loadedMods[mod] = null;
     }
 
     public static function prepareLibrary(libName:String, force:Bool = false) {

source/funkin/scripting/HScript.hx

@@ -72,15 +72,15 @@ class HScript extends Script {
         var oldParent = interp.scriptObject;
         onCreate(path);
 
-        for(k=>e in Script.getDefaultVariables()) {
+        for(k=>e in Script.getDefaultVariables())
             set(k, e);
-        }
 
         load();
         setParent(oldParent);
-        for(k=>e in savedVariables) {
+
+        for(k=>e in savedVariables)
             interp.variables.set(k, e);
-        }
+
         interp.allowStaticVariables = interp.allowPublicVariables = true;
     }