add support for List commands, fix some Sorted Set commands, add some cluster commands, spawn cluster for testing, add support for command options in cluster, and more

lib/commands/LTRIM.ts

@@ -0,0 +1,14 @@
+import { transformReplyString } from './generic-transformers';
+
+export const FIRST_KEY_INDEX = 1;
+
+export function transformArguments(key: string, start: number, stop: number): Array<string> {
+    return [
+        'LTRIM',
+        key,
+        start.toString(),
+        stop.toString()
+    ]
+}
+
+export const transformReply = transformReplyString;