Fixed bug in category command

commands/category.js

@@ -10,10 +10,18 @@ module.exports = {
 	example: "categories",
 	isPrivileged: false,	
 	async execute(interaction) {
-		var categories = libCore.getCategories();
+		await libCore.getCategories(async (err, categoryResults) => {
+			if (err) throw err;
+
+			log.DEBUG("Returned Categories: ", categoryResults);
+			var categories = [];
+			for (const record of categoryResults) {
+				categories.push(record.category);
+			}
 	
-		await interaction.reply(
-			`Categories: [${categories.join(', ')}]`
-		);
+			await interaction.reply(
+				`Categories: [${categories}]`
+			);
+		});		
 	}
 };