Adds a new handler for reply commands.
Merge branch 'feature/add-idatastore-manager' into feature/add-reply-functionality
Updates ReplyCommandHandler to match the updated IMessageHandler interface.
Adds a new handler for reply triggers.
Fixes a test name.
Fixes private variable name.
Merge branch 'feature/add-idatastore-manager' into feature/add-reply-functionality
Merge branch 'feature/add-idatastore-manager' into feature/add-reply-functionality
Merge pull request #12 from mohammedh123/feature/add-reply-functionality

Implement <reply> functionality