Set up for v1.0 save version

migrations.js

@@ -1,7 +1,9 @@
 // bumps save versions
 
 migrations = [
-
+  (save) => {
+    save.version = 1;
+  }
 ];
 
 function migrate(save, target=null) {
@@ -17,6 +19,12 @@ function migrate(save, target=null) {
     return false;
   }
 
+  if (version == 0 ) {
+    alert("This save is from before v1.0. It can't be automatically migrated, so it may lose some settings. Double check the resulting character. Subsequent saves will function correctly.");
+    save["version"] = migrations.length;
+    return false;
+  }
+
   if (version < target) {
     for (let x = version; x < target; x++) {
       migrations[x](save);