Allow commands to dynamically decide if they should be handled or passed upstream

Author: jedediah

api/src/main/java/net/md_5/bungee/api/plugin/CommandBypassException.java

@@ -0,0 +1,8 @@
+package net.md_5.bungee.api.plugin;
+
+/**
+ * Thrown from inside a command to tell the proxy to pass the command upstream
+ */
+public class CommandBypassException extends RuntimeException {
+
+}

api/src/main/java/net/md_5/bungee/api/plugin/PluginManager.java

@@ -167,6 +167,8 @@ public boolean dispatchCommand(CommandSender sender, String commandLine, List<St
                     tabResults.add( s );
                 }
             }
+        } catch ( CommandBypassException ex ) {
+            return false;
         } catch ( Exception ex )
         {
             sender.sendMessage( ChatColor.RED + "An internal error occurred whilst executing this command, please check the console log for details." );