Assorted fixes to rednet, textutils, gps, chat.

As reported by @SquidDev.

src/main/resources/assets/computercraft/lua/rom/apis/rednet.lua

@@ -233,7 +233,7 @@ function run()
     			if type( tMessage ) == "table" and tMessage.nMessageID then
 	    			if not tReceivedMessages[ tMessage.nMessageID ] then
 		    			tReceivedMessages[ tMessage.nMessageID ] = true
-                        tReceivedMessageTimeouts[ os.startTimer( 30 ) ] = nMessageID
+                        tReceivedMessageTimeouts[ os.startTimer( 30 ) ] = tMessage.nMessageID
 			    		os.queueEvent( "rednet_message", nReplyChannel, tMessage.message, tMessage.sProtocol )
 				    end
 			    end

src/main/resources/assets/computercraft/lua/rom/apis/textutils.lua

@@ -7,7 +7,7 @@ function slowWrite( sText, nRate )
     local nSleep = 1 / nRate
         
     sText = tostring( sText )
-    local x,y = term.getCursorPos(x,y)
+    local x,y = term.getCursorPos()
     local len = string.len( sText )
     
     for n=1,len do

src/main/resources/assets/computercraft/lua/rom/programs/gps.lua

@@ -57,10 +57,6 @@ elseif sCommand == "host" then
         x,y,z = gps.locate( 2, true )
         if x == nil then
             print( "Run \"gps host <x> <y> <z>\" to set position manually" )
-            if bCloseChannel then
-                print( "Closing GPS channel" )
-                modem.close( gps.CHANNEL_GPS )
-            end
             return
         end
     end

src/main/resources/assets/computercraft/lua/rom/programs/rednet/chat.lua

@@ -310,14 +310,14 @@ elseif sCommand == "join" then
     function printMessage( sMessage )
         term.redirect( historyWindow )
         print()
-        if string.match( sMessage, "^\*" ) then
+        if string.match( sMessage, "^%*" ) then
             -- Information
             term.setTextColour( highlightColour )
             write( sMessage )
             term.setTextColour( textColour )
         else
             -- Chat
-            local sUsernameBit = string.match( sMessage, "^\<[^\>]*\>" )
+            local sUsernameBit = string.match( sMessage, "^<[^>]*>" )
             if sUsernameBit then
                 term.setTextColour( highlightColour )
                 write( sUsernameBit )