no idea how they managed to dispatch player command without / but ok

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>eu.endermite</groupId>
     <artifactId>CommandWhitelist</artifactId>
-    <version>1.7.2</version>
+    <version>1.7.4</version>
     <packaging>jar</packaging>
 
     <name>CommandWhitelist</name>

readme.md

@@ -1,6 +1,9 @@
 Command  Whitelist is a plugin that allows you to control 
 precisely what commands players can see and use.
 
+<img src="https://img.shields.io/bstats/servers/8705?label=Spigot%20servers%20using%20CommandWhitelist&style=for-the-badge">
+<img src="https://img.shields.io/bstats/servers/8704?label=Proxy%20servers%20using%20CommandWhitelist&style=for-the-badge">
+
 <h3>Plugin Features</h3>
 
 <ul>

src/main/java/eu/endermite/commandwhitelist/spigot/CommandWhitelist.java

@@ -28,9 +28,10 @@ public class CommandWhitelist extends JavaPlugin {
 
         Plugin protocollib = getServer().getPluginManager().getPlugin("ProtocolLib");
 
+        getServer().getPluginManager().registerEvents(new PlayerCommandPreProcessListener(), this);
         if (!isLegacy) {
             if (!getConfigCache().isUseProtocolLib() || protocollib == null || !protocollib.isEnabled()) {
-                getServer().getPluginManager().registerEvents(new PlayerCommandPreProcessListener(), this);
+
                 getServer().getPluginManager().registerEvents(new PlayerCommandSendListener(), this);
             } else {
                 PacketCommandSendListener.protocol(this);

src/main/java/eu/endermite/commandwhitelist/spigot/listeners/PlayerCommandPreProcessListener.java

@@ -19,16 +19,18 @@ public class PlayerCommandPreProcessListener implements Listener {
         if (player.hasPermission("commandwhitelist.bypass"))
             return;
         String command = event.getMessage().toLowerCase();
+        if (command.startsWith("/"))
+            command = command.substring(1);
         for (Map.Entry<String, List<String>> s : CommandWhitelist.getConfigCache().getPermList().entrySet()) {
             if (!player.hasPermission("commandwhitelist.commands." + s.getKey()))
                 continue;
             for (String comm : s.getValue()) {
                 comm = comm.toLowerCase();
-                if (command.equalsIgnoreCase("/" + comm) || command.startsWith("/" + comm + " ")) {
+                if (command.equalsIgnoreCase(comm) || command.startsWith(comm + " ")) {
                     String rawCmd = event.getMessage();
                     List<String> bannedSubCommands = CommandsList.getSuggestions(player);
                     for (String bannedSubCommand : bannedSubCommands) {
-                        if (rawCmd.startsWith("/"+bannedSubCommand)) {
+                        if (rawCmd.startsWith(bannedSubCommand)) {
                             event.setCancelled(true);
                             ConfigCache config = CommandWhitelist.getConfigCache();
                             player.sendMessage(ChatColor.translateAlternateColorCodes('&', config.getPrefix() + RandomStuff.getMessage(config.getCommandDeniedList(), config.getSubCommandDenied())));