Ping / circuit latency, break out commands, add typing function for IM, add thinkingTime and charactersPerSecond parameters to typing functions

dist/classes/commands/GroupCommands.d.ts

@@ -0,0 +1,5 @@
+import { CommandsBase } from './CommandsBase';
+import { UUID } from '../UUID';
+export declare class GroupCommands extends CommandsBase {
+    sendGroupNotice(group: UUID | string, subject: string, message: string): Promise<void>;
+}