Misc fixes and improvements

* Added request logging to com.noccy.apiclient
* Added plugin com.noccy.watcher
* Added pipe command and filter support
* Fixes and stubs

plugins/com.noccy.watcher/sparkplug.php

@@ -0,0 +1,24 @@
+<?php // "name":"Watch files and act when they are changed", "author":"Noccy"
+
+namespace SparkPlug\Com\Noccy\Watcher;
+
+class WatcherPlug extends \SparkPlug {
+
+    private ?FileWatcher $watcher = null;
+
+    public function load()
+    {
+        register_command(new Commands\WatchCommand());
+        //register_command(new PdoExecCommand());
+    }
+
+    public function getFileWatcher(): FileWatcher
+    {
+        if (!$this->watcher) {
+            $this->watcher = new FileWatcher();
+        }
+        return $this->watcher;
+    }
+}
+
+register_plugin("com.noccy.watcher", new WatcherPlug);