The following patch fixes a small bug in roslua initalization.

Best regards
Markus

diff --git a/src/roslua/init.lua b/src/roslua/init.lua
index b883f7d..92a101e 100644
--- a/src/roslua/init.lua
+++ b/src/roslua/init.lua
@@ -151,7 +151,7 @@ function init_node(args)
    end
 
    if roslua.parameter_server:has_param("/use_sim_time") then
-      local use_sim_time = roslua.parameter_server:get_param("/use_sim_time")
+      local use_sim_time = roslua.parameter_server:getParam("/use_sim_time")
       if use_sim_time then
 	 roslua.time.init_simtime()
       end