Don't swallow random exceptions, don't bother with CommandExceptions

src/main/java/baritone/command/argument/ArgConsumer.java

@@ -373,6 +373,8 @@ public class ArgConsumer implements IArgConsumer {
     public <T extends IDatatype> Stream<String> tabCompleteDatatype(T datatype) {
         try {
             return datatype.tabComplete(this.context);
+        } catch (CommandException ignored) {
+            // NOP
         } catch (Exception e) {
             e.printStackTrace();
         }

src/main/java/baritone/command/manager/CommandManager.java

@@ -151,9 +151,12 @@ public class CommandManager implements ICommandManager {
         private Stream<String> tabComplete() {
             try {
                 return this.command.tabComplete(this.label, this.args);
+            } catch (CommandException ignored) {
+                // NOP
             } catch (Throwable t) {
-                return Stream.empty();
+                t.printStackTrace();
             }
+            return Stream.empty();
         }
     }
 }