Merge pull request #379 from jacklul/fix

Fix for channel_post and edit_channel_post commands

src/Commands/SystemCommands/ChannelpostCommand.php

@@ -40,7 +40,7 @@ class ChannelpostCommand extends SystemCommand
      */
     public function execute()
     {
-        //$channel_post = $this->getChannelPost();
+        //$channel_post = $this->getUpdate()->getChannelPost();
 
         return parent::execute();
     }

src/Commands/SystemCommands/EditedchannelpostCommand.php

@@ -40,7 +40,7 @@ class EditedchannelpostCommand extends SystemCommand
      */
     public function execute()
     {
-        //$edited_channel_post = $this->getEditedChannelPost();
+        //$edited_channel_post = $this->getUpdate()->getEditedChannelPost();
 
         return parent::execute();
     }