Invoke private method, fix logger.

Author: dblock

Gemfile

@@ -13,7 +13,7 @@ gem 'rack-robotz'
 gem 'rack-server-pages'
 gem 'slack-ruby-bot-server'
 gem 'slack-ruby-bot-server-mailchimp'
-gem 'slack-ruby-bot-server-rtm'
+gem 'slack-ruby-bot-server-rtm', github: 'slack-ruby/slack-ruby-bot-server-rtm', branch: 'main'
 gem 'unicorn'
 
 group :development, :test do

Gemfile.lock

@@ -1,3 +1,13 @@
+GIT
+  remote: git://github.com/slack-ruby/slack-ruby-bot-server-rtm.git
+  revision: b6b030c89a303bee09cb060fe1118a61703fc20b
+  branch: main
+  specs:
+    slack-ruby-bot-server-rtm (0.1.1)
+      async-websocket (~> 0.8.0)
+      slack-ruby-bot (>= 0.12.0)
+      slack-ruby-bot-server (>= 1.0.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -246,10 +256,6 @@ GEM
     slack-ruby-bot-server-mailchimp (0.2.0)
       mailchimp_api_v3
       slack-ruby-bot-server (>= 0.10.0)
-    slack-ruby-bot-server-rtm (0.1.0)
-      async-websocket (~> 0.8.0)
-      slack-ruby-bot (>= 0.12.0)
-      slack-ruby-bot-server (>= 1.0.0)
     slack-ruby-client (0.14.6)
       activesupport
       faraday (>= 0.9)
@@ -308,7 +314,7 @@ DEPENDENCIES
   selenium-webdriver
   slack-ruby-bot-server
   slack-ruby-bot-server-mailchimp
-  slack-ruby-bot-server-rtm
+  slack-ruby-bot-server-rtm!
   unicorn
   vcr
   webmock