some improvements

plugins/hackernews.lua

@@ -10,6 +10,8 @@ local triggers = {
 
 local action = function(msg)
 
+	sendChatAction(msg.chat.id, 'typing')
+
 	local jstr, res = HTTPS.request('https://hacker-news.firebaseio.com/v0/topstories.json')
 	if res ~= 200 then
 		sendReply(msg, config.errors.connection)

plugins/luarun.lua

@@ -15,8 +15,12 @@ local action = function(msg)
 	end
 
 	local output = loadstring(input)()
-	if not output then output = 'Done!' end
-	sendReply(msg, output)
+	if not output then
+		output = 'Done!'
+	else
+		output = '```\n' .. output .. '\n```'
+	end
+	sendMessage(msg.chat.id, output, true, msg.message_id, true)
 
 end
 

plugins/shell.lua

@@ -15,8 +15,12 @@ local action = function(msg)
 	end
 
 	local output = io.popen(input):read('*all')
-	if output:len() == 0 then output = 'Done!' end
-	sendReply(msg, output)
+	if output:len() == 0 then
+		output = 'Done!'
+	else
+		output = '```\n' .. output .. '\n```'
+	end
+	sendMessage(msg.chat.id, output, true, msg.message_id, true)
 
 end
 

plugins/shout.lua

@@ -15,6 +15,11 @@ local action = function(msg)
 		sendReply(msg, doc)
 		return
 	end
+	input = input:trim()
+
+	if input:len() > 20 then
+		input = input:sub(1,20)
+	end
 
 	input = input:upper()
 	local output = ''