Tweak docs to explain other things changed

UpgradeV6.md

@@ -93,3 +93,6 @@ These were already planned, and indicated as deprecated for a while now, but the
 
 - The use of `'::memory::` as a name is removed, you can use `inMemory: true` instead. That means `new Enmap('::memory::')` is now `new Enmap({ inMemory: true })`.
 - In all loop methods like `every`, `some`, `map` and `filter`, the **value** now comes first, and **key** second. This matches array methods closer.
+- Methods will no longer return the enmap upon executing an action. It's always felt weird to me that some methods returned the enmap and others returned data.
+- The `destroy` method is removed, since it doesn't make much sense to delete all the db tables. You can still delete all your stuff with `clear()` though.
+- 

src/index.js

@@ -1,6 +1,3 @@
-import { existsSync, readFileSync, mkdirSync } from 'fs';
-import { resolve, sep } from 'path';
-
 import {
   get as _get,
   set as _set,
@@ -11,13 +8,21 @@ import {
   cloneDeep,
   merge,
 } from 'lodash-es';
-import Database from 'better-sqlite3/lib/database';
+import { stringify, parse } from 'better-serialize';
 import onChange  from 'on-change';
 
-import { stringify, parse } from 'better-serialize';
+// Custom error codes with stack support.
 import Err from './error.js';
+
+// Native imports
+import { existsSync, readFileSync, mkdirSync } from 'fs';
+import { resolve, sep } from 'path';
+
+// Package.json
 const pkgdata = JSON.parse(readFileSync('./package.json', 'utf8'));
 
+import Database from 'better-sqlite3/lib/database';
+
 const NAME_REGEX = /^([\w-]+)$/;
 
 /**
@@ -93,7 +98,6 @@ class Enmap {
 
     this.#init();
   }
-
 
   /**
    * Sets a value in Enmap.
@@ -597,7 +601,7 @@ class Enmap {
       throw new Err('Importing data from enmap v5 or lower is not supported', 'EnmapDataError');
     }
 
-    if (clear) this.deleteAll();
+    if (clear) this.clear();
     for (const entry of data.keys) {
       const { key, value } = entry;
       if (!overwrite && this.has(key)) continue;
@@ -764,6 +768,7 @@ class Enmap {
     }
     return null;
   }
+// TODO: RE-ADD findIndex
 
 /**
    * Searches for the key of a single item where its specified property's value is identical to the given value
@@ -880,6 +885,8 @@ class Enmap {
     this.#changedCB = cb;
   }
 
+  // TODO: RE-ADD forEach (ugh). (partition, merge?)
+
   // INTERNAL METHODS
 
   /*