Added argument support to slow/speed, made video detection also detect images

commands/image-editing/slow.js

@@ -1,12 +1,17 @@
 const ImageCommand = require("../../classes/imageCommand.js");
 
 class SlowCommand extends ImageCommand {
-  params = {
-    slow: true
-  };
+  params(args) {
+    const speed = parseInt(args[0]);
+    return {
+      slow: true,
+      speed: isNaN(speed) ? 2 : speed
+    };
+  }
 
   static description = "Makes an image sequence slower";
   static aliases = ["slowdown", "slower", "gifspeed2"];
+  static arguments = ["{multiplier}"];
 
   static requiresGIF = true;
   static noImage = "you need to provide an image to slow down!";

commands/image-editing/speed.js

@@ -1,8 +1,16 @@
 const ImageCommand = require("../../classes/imageCommand.js");
 
 class SpeedCommand extends ImageCommand {
+  params(args) {
+    const speed = parseInt(args[0]);
+    return {
+      speed: isNaN(speed) ? 2 : speed
+    };
+  }
+
   static description = "Makes an image sequence faster";
   static aliases = ["speedup", "fast", "gifspeed", "faster"];
+  static arguments = ["{multiplier}"];
 
   static requiresGIF = true;
   static noImage = "you need to provide an image to speed up!";