diff --git a/bot.lua b/bot.lua
index 7fa8542..d0672a9 100755
--- a/bot.lua
+++ b/bot.lua
@@ -3,7 +3,7 @@ HTTPS = require('ssl.https')
 URL = require('socket.url')
 JSON = require('dkjson')
 
-version = '3.1'
+version = '3.2'
 
 bot_init = function() -- The function run when the bot is started or reloaded.
 
@@ -11,10 +11,8 @@ bot_init = function() -- The function run when the bot is started or reloaded.
 	dofile('bindings.lua') -- Load Telegram bindings.
 	dofile('utilities.lua') -- Load miscellaneous and cross-plugin functions.
 
-	bot = nil
-	while not bot do -- Get bot info and retry if unable to connect.
-		bot = getMe()
-	end
+	-- Fetch bot information. Try until it succeeds.
+	repeat bot = getMe() until bot
 	bot = bot.result
 
 	plugins = {} -- Load plugins.
@@ -32,11 +30,16 @@ bot_init = function() -- The function run when the bot is started or reloaded.
 	last_update = last_update or 0 -- Set loop variables: Update offset,
 	last_cron = last_cron or os.time() -- the time of the last cron job,
 	is_started = true -- whether the bot should be running or not.
+	usernames = usernames or {} -- Table to cache usernames by user ID.
 
 end
 
 on_msg_receive = function(msg) -- The fn run whenever a message is received.
 
+	if msg.from.username then
+		usernames[msg.from.username:lower()] = msg.from.id
+	end
+
 	if msg.date < os.time() - 5 then return end -- Do not process old messages.
 	if not msg.text then msg.text = msg.caption or '' end
 
diff --git a/config.lua b/config.lua
index 6457acd..ee4271f 100755
--- a/config.lua
+++ b/config.lua
@@ -8,6 +8,7 @@ return {
 	thecatapi_key = '',
 	time_offset = 0,
 	lang = 'en',
+	antisquig = false,
 	cli_port = 4567,
 	admin = 00000000,
 	admin_name = 'John Smith',
diff --git a/plugins/about.lua b/plugins/about.lua
index f869efe..620ede8 100755
--- a/plugins/about.lua
+++ b/plugins/about.lua
@@ -10,10 +10,10 @@ local action = function(msg)
 	local message = config.about_text .. '\nBased on otouto v'..version..' by topkecleon.\notouto v3 is licensed under the GPLv2.\ntopkecleon.github.io/otouto'
 
 	if msg.new_chat_participant and msg.new_chat_participant.id == bot.id then
-		sendMessage(msg.chat.id, message)
+		sendMessage(msg.chat.id, message, true)
 		return
 	elseif string.match(msg.text_lower, '^/about[@'..bot.username..']*') then
-		sendMessage(msg.chat.id, message)
+		sendMessage(msg.chat.id, message, true)
 		return
 	end
 
diff --git a/plugins/currency.lua b/plugins/currency.lua
index 21ac676..aea0fa6 100755
--- a/plugins/currency.lua
+++ b/plugins/currency.lua
@@ -3,6 +3,7 @@ local doc = [[```
 /cash [amount] <from> to <to>
 Example: /cash 5 USD to EUR
 Returns exchange rates for various currencies.
+Source: Google Finance.
 ```]]
 
 local triggers = {
@@ -19,7 +20,8 @@ local action = function(msg)
 
 	local from = input:match('(%a%a%a) TO')
 	local to = input:match('TO (%a%a%a)')
-	local amount = input:match('([%d]+) %a%a%a TO %a%a%a') or 1
+	local amount = get_word(input, 2)
+	amount = tonumber(amount) or 1
 	local result = 1
 
 	local url = 'https://www.google.com/finance/converter'
@@ -39,12 +41,12 @@ local action = function(msg)
 			return
 		end
 
-		result = str:format('%.2f')
+		result = string.format('%.2f', str)
 
 	end
 
-	local output = amount .. ' ' .. from .. ' = ' .. result .. ' ' .. to .. '\n'
-	output = output .. os.date('!%F %T UTC')
+	local output = amount .. ' ' .. from .. ' = ' .. result .. ' ' .. to .. '\n\n'
+	output = output .. os.date('!%F %T UTC') .. '\nSource: Google Finance'
 	output = '`' .. output .. '`'
 
 	sendMessage(msg.chat.id, output, true, nil, true)
diff --git a/plugins/gSearch.lua b/plugins/gSearch.lua
index eef673a..a20a14b 100755
--- a/plugins/gSearch.lua
+++ b/plugins/gSearch.lua
@@ -54,7 +54,7 @@ local action = function(msg)
 		return
 	end
 
-	local output = '*Google: Results for* _' .. input .. '_ *:*\n'
+	local output = '*Google results for* _' .. input .. '_ *:*\n'
 	for i,v in ipairs(jdat.responseData.results) do
 		local title = jdat.responseData.results[i].titleNoFormatting:gsub('%[.+%]', ''):gsub('&amp;', '&')
 		if title:len() > 48 then
diff --git a/plugins/help.lua b/plugins/help.lua
index 997cd67..c2948c8 100755
--- a/plugins/help.lua
+++ b/plugins/help.lua
@@ -9,7 +9,8 @@ for i,v in ipairs(plugins) do
 	end
 end
 
-help_text = help_text .. [[\n
+help_text = help_text .. [[
+
  /help <command>
 Arguments: <required> \[optional]
 ]]
diff --git a/plugins/luarun.lua b/plugins/luarun.lua
index cf7d246..a4cd585 100644
--- a/plugins/luarun.lua
+++ b/plugins/luarun.lua
@@ -15,10 +15,12 @@ local action = function(msg)
 	end
 
 	local output = loadstring(input)()
-	if not output then
+	if output == nil then
 		output = 'Done!'
+	elseif type(output) == 'table' then
+		output = 'Done! Table returned.'
 	else
-		output = '```\n' .. output .. '\n```'
+		output = '```\n' .. tostring(output) .. '\n```'
 	end
 	sendMessage(msg.chat.id, output, true, msg.message_id, true)
 
diff --git a/plugins/moderation.lua b/plugins/moderation.lua
index 1ebfa1d..d69b2f1 100755
--- a/plugins/moderation.lua
+++ b/plugins/moderation.lua
@@ -10,9 +10,7 @@ local commands = {
 
 	['^/modhelp[@'..bot.username..']*$'] = function(msg)
 
-		if not moddat[msg.chat.id_str] then
-			return config.errors.moderation
-		end
+		if not moddat[msg.chat.id_str] then return end
 
 		local message = [[
 			/modlist - List the moderators and administrators of this group.
@@ -33,9 +31,7 @@ local commands = {
 
 	['^/modlist[@'..bot.username..']*$'] = function(msg)
 
-		if not moddat[msg.chat.id_str] then
-			return config.errors.moderation
-		end
+		if not moddat[msg.chat.id_str] then return end
 
 		local message = ''
 
@@ -113,9 +109,7 @@ local commands = {
 
 	['^/modprom[@'..bot.username..']*$'] = function(msg)
 
-		if not moddat[msg.chat.id_str] then
-			return config.errors.moderation
-		end
+		if not moddat[msg.chat.id_str] then return end
 
 		if not config.moderation.admins[msg.from.id_str] then
 			return config.errors.not_admin
@@ -145,9 +139,7 @@ local commands = {
 
 	['^/moddem[@'..bot.username..']*'] = function(msg)
 
-		if not moddat[msg.chat.id_str] then
-			return config.errors.moderation
-		end
+		if not moddat[msg.chat.id_str] then return end
 
 		if not config.moderation.admins[msg.from.id_str] then
 			return config.errors.not_admin
@@ -181,9 +173,7 @@ local commands = {
 
 	['/modkick[@'..bot.username..']*'] = function(msg)
 
-		if not moddat[msg.chat.id_str] then
-			return config.errors.moderation
-		end
+		if not moddat[msg.chat.id_str] then return end
 
 		if not moddat[msg.chat.id_str][msg.from.id_str] then
 			if not config.moderation.admins[msg.from.id_str] then
@@ -215,9 +205,7 @@ local commands = {
 
 	['^/modban[@'..bot.username..']*'] = function(msg)
 
-		if not moddat[msg.chat.id_str] then
-			return config.errors.moderation
-		end
+		if not moddat[msg.chat.id_str] then return end
 
 		if not moddat[msg.chat.id_str][msg.from.id_str] then
 			if not config.moderation.admins[msg.from.id_str] then
diff --git a/plugins/reddit.lua b/plugins/reddit.lua
index 713e030..fefea3a 100755
--- a/plugins/reddit.lua
+++ b/plugins/reddit.lua
@@ -30,7 +30,7 @@ local action = function(msg)
 			source = '*/r/' .. input:match('^r/(.+)') .. '*\n'
 		else
 			url = 'http://www.reddit.com/search.json?q=' .. input .. '&limit=' .. limit
-			source = '*reddit: Results for* _' .. input .. '_ *:*\n'
+			source = '*reddit results for* _' .. input .. '_ *:*\n'
 		end
 	else
 		url = 'http://www.reddit.com/.json?limit=' .. limit
diff --git a/utilities.lua b/utilities.lua
index dea5716..75ed5af 100755
--- a/utilities.lua
+++ b/utilities.lua
@@ -1,7 +1,8 @@
 -- utilities.lua
 -- Functions shared among plugins.
 
-function get_word(s, i) -- get the indexed word in a string
+ -- get the indexed word in a string
+get_word = function(s, i)
 
 	s = s or ''
 	i = i or 1
@@ -15,7 +16,8 @@ function get_word(s, i) -- get the indexed word in a string
 
 end
 
-function string:input() -- Returns the string after the first space.
+ -- Returns the string after the first space.
+function string:input()
 	if not self:find(' ') then
 		return false
 	end
@@ -57,14 +59,16 @@ local lc_list = {
 	['!'] = 'ǃ'
 }
 
-function latcyr(str) -- Replaces letters with corresponding Cyrillic characters.
+ -- Replaces letters with corresponding Cyrillic characters.
+latcyr = function(str)
 	for k,v in pairs(lc_list) do
 		str = string.gsub(str, k, v)
 	end
 	return str
 end
 
-function load_data(filename) -- Loads a JSON file as a table.
+ -- Loads a JSON file as a table.
+load_data = function(filename)
 
 	local f = io.open(filename)
 	if not f then
@@ -78,7 +82,8 @@ function load_data(filename) -- Loads a JSON file as a table.
 
 end
 
-function save_data(filename, data) -- Saves a table to a JSON file.
+ -- Saves a table to a JSON file.
+save_data = function(filename, data)
 
 	local s = JSON.encode(data)
 	local f = io.open(filename, 'w')
@@ -88,7 +93,7 @@ function save_data(filename, data) -- Saves a table to a JSON file.
 end
 
  -- Gets coordinates for a location. Used by gMaps.lua, time.lua, weather.lua.
-function get_coords(input)
+get_coords = function(input)
 
 	local url = 'http://maps.googleapis.com/maps/api/geocode/json?address=' .. URL.escape(input)
 
@@ -107,4 +112,31 @@ function get_coords(input)
 		lon = jdat.results[1].geometry.location.lng
 	}
 
+end
+
+ -- Get the number of values in a key/value table.
+table_size = function(tab)
+
+	local i = 0
+	for k,v in pairs(tab) do
+		i = i + 1
+	end
+	return i
+
+end
+
+resolve_username = function(target)
+ -- If $target is a known username, returns associated ID.
+ -- If $target is an unknown username, returns nil.
+ -- If $target is a number, returns that number.
+ -- Otherwise, returns false.
+
+	local input = tostring(target):lower()
+	if input:match('^@') then
+		local uname = input:gsub('^@', '')
+		return usernames[uname]
+	else
+		return tonumber(target) or false
+	end
+
 end