diff --git a/sys/apis/socket.lua b/sys/apis/socket.lua
index ab71673..f48bfc3 100644
--- a/sys/apis/socket.lua
+++ b/sys/apis/socket.lua
@@ -5,7 +5,6 @@ local Util     = require('util')
 
 local device    = _G.device
 local os        = _G.os
---local transport = _G.transport
 
 local socketClass = { }
 
@@ -109,7 +108,7 @@ end
 function Socket.connect(host, port)
 
   local socket = newSocket(host == os.getComputerID())
-  socket.dhost = host
+  socket.dhost = tonumber(host)
   Logger.log('socket', 'connecting to ' .. port)
 
   socket.transmit(port, socket.sport, {
diff --git a/sys/apis/ui.lua b/sys/apis/ui.lua
index 3b59a22..1f566e5 100644
--- a/sys/apis/ui.lua
+++ b/sys/apis/ui.lua
@@ -121,7 +121,7 @@ function Manager:init()
       local event = self:pointToChild(self.target, x, y)
       _ENV.multishell.openTab({
         path = 'sys/apps/Lua.lua',
-        args = { event.element, self:dump(self.currentPage) },
+        args = { event.element },
         focused = true })
 
     elseif ch and self.currentPage then
@@ -438,31 +438,6 @@ function Manager:exitPullEvents()
   Event.exitPullEvents()
 end
 
-function Manager:dump(inEl)
-  if inEl then
-    local function clean(el)
-      local o = el
-      el = Util.shallowCopy(el)
-      el.parent = nil
-      if el.children then
-        local children = { }
-        for k,c in pairs(el.children) do
-          children[k] = clean(c)
-        end
-        el.children = children
-      end
-      for k,v in pairs(o) do
-        if type(v) == 'table' and v.UIElement then
-          el[k] = nil
-        end
-      end
-
-      return el
-    end
-    return clean(inEl)
-  end
-end
-
 local UI = Manager()
 
 --[[-- Basic drawable area --]]--
diff --git a/sys/apis/util.lua b/sys/apis/util.lua
index dcbd6e8..edfd553 100644
--- a/sys/apis/util.lua
+++ b/sys/apis/util.lua
@@ -262,7 +262,9 @@ end
 function Util.size(list)
   if type(list) == 'table' then
     local length = 0
-    table.foreach(list, function() length = length + 1 end)
+    for _ in pairs(list) do
+      length = length + 1
+    end
     return length
   end
   return 0
@@ -433,8 +435,7 @@ function Util.runUrl(env, url, ...)   -- os.run equivalent
   setmetatable(env, { __index = _G })
   local fn, m = Util.loadUrl(url, env)
   if fn then
-    local args = { ... }
-    return pcall(function() return fn(table.unpack(args)) end)
+    return pcall(fn, ...)
   end
   return fn, m
 end
@@ -443,8 +444,7 @@ function Util.run(env, path, ...)
   setmetatable(env, { __index = _G })
   local fn, m = loadfile(path, env)
   if fn then
-    local args = { ... }
-    return pcall(function() return fn(table.unpack(args)) end)
+    return pcall(fn, ...)
   end
   return fn, m
 end
@@ -452,9 +452,7 @@ end
 function Util.runFunction(env, fn, ...)
   setfenv(fn, env)
   setmetatable(env, { __index = _G })
-
-  local args = { ... }
-  return pcall(function() return fn(table.unpack(args)) end)
+  return pcall(fn, ...)
 end
 
 --[[ String functions ]] --
diff --git a/sys/apps/Network.lua b/sys/apps/Network.lua
index 17337ab..c2b10b6 100644
--- a/sys/apps/Network.lua
+++ b/sys/apps/Network.lua
@@ -35,7 +35,7 @@ local page = UI.Page {
         UI.MenuBar.spacer,
         { text = 'Reboot      r', event = 'reboot' },
       } },
-      { text = 'Chat', event = 'chat' },
+      --{ text = 'Chat', event = 'chat' },
       { text = 'Trust', dropdown = {
         { text = 'Establish', event = 'trust'   },
         { text = 'Remove',    event = 'untrust' },
@@ -61,7 +61,6 @@ local page = UI.Page {
 }
 
 local function sendCommand(host, command)
-
   if not device.wireless_modem then
     page.notification:error('Wireless modem not present')
     return
diff --git a/sys/services/chat.lua b/sys/services/chat.lua
deleted file mode 100644
index 4052f90..0000000
--- a/sys/services/chat.lua
+++ /dev/null
@@ -1,43 +0,0 @@
-local device     = _G.device
-local multishell = _ENV.multishell
-local os         = _G.os
-
-if device.wireless_modem and false then
-
-	multishell.setTitle(multishell.getCurrent(), 'Chat')
-
-	multishell.openTab({
-		path   = 'rom/programs/rednet/chat',
-		args   = { 'host', 'opusChat-' .. os.getComputerID() },
-		title  = 'Chat Daemon',
-		hidden = true,
-	})
-
-	local tab = multishell.getTab(multishell.getCurrent())
-
-  _G.requireInjector()
-
-	local Event = require('event')
-	local Util  = require('util')
-
-	local h = Event.addRoutine(function()
-		while true do
-			Util.run(_ENV, 'rom/programs/rednet/chat',
-				'join', 'opusChat-' .. os.getComputerID(), 'owner')
-		end
-	end)
-
-	while true do
-		local e = { os.pullEventRaw() }
-		if e[1] == 'terminate' then
-			multishell.hideTab(tab.tabId)
-		else
-			if e[1] == 'rednet_message' and e[4] == 'chat' and e[3].sType == 'chat' then
-				if tab.hidden then
-					multishell.unhideTab(tab.tabId)
-				end
-			end
-			h:resume(table.unpack(e))
-		end
-	end
-end
diff --git a/sys/services/network.lua b/sys/services/network.lua
index 32a9170..3000f83 100644
--- a/sys/services/network.lua
+++ b/sys/services/network.lua
@@ -1,17 +1,25 @@
-requireInjector(getfenv(1))
+_G.requireInjector()
 
 local Util = require('util')
 
+local device     = _G.device
+local fs         = _G.fs
+local multishell = _ENV.multishell
+local os         = _G.os
+local printError = _G.printError
+
+local network = { }
+_G.network = network
+
 multishell.setTitle(multishell.getCurrent(), 'Net Daemon')
 
-_G.network = { }
-
 local function netUp()
-  requireInjector(getfenv(1))
-  local Event = require('event')
+  _G.requireInjector()
 
+  local Event = require('event')
+_G._e2 = _ENV
   for _,file in pairs(fs.list('sys/network')) do
-    local fn, msg = Util.run(getfenv(1), 'sys/network/' .. file)
+    local fn, msg = Util.run(_ENV, 'sys/network/' .. file)
     if not fn then
       printError(msg)
     end
@@ -40,8 +48,10 @@ print('Net daemon started')
 local function startNetwork()
   print('Starting network services')
 
+_G._e1 = _ENV
+
   local success, msg = Util.runFunction(
-    Util.shallowCopy(getfenv(1)), netUp)
+    Util.shallowCopy(_ENV), netUp)
 
   if not success and msg then
     printError(msg)
@@ -56,7 +66,7 @@ else
 end
 
 while true do
-  local e, deviceName = os.pullEvent('device_attach')
+  local _, deviceName = os.pullEvent('device_attach')
   if deviceName == 'wireless_modem' then
     startNetwork()
   end