minor bug fixes

ccemux/autorun/startup.lua

@@ -1,6 +1,7 @@
 local ccemux     = _G.ccemux
 local fs         = _G.fs
 local peripheral = _G.peripheral
+local textutils  = _G.textutils
 
 if ccemux then
 	-- add a System setup tab
@@ -13,4 +14,16 @@ if ccemux then
 			ccemux.attach(k, v.type, v.args)
 		end
 	end
+
+	_G.kernel.hook('clipboard_copy', function(_, args)
+		local data = args[1]
+		if type(data) == 'table' then
+			local s, m = pcall(textutils.serialize, data)
+			data = s and m or tostring(data)
+		end
+
+		if data then
+			ccemux.setClipboard(data)
+		end
+	end)
 end