5/ The SL object
The "sl" object is containing values that can be shared between the functions and modules.
default properties :
$sl->objectkey : the uuid key of the object that called the website
$sl->objectname : the name of the object that called the website
$sl->ownerkey : the uuid key of the owner of the object that called the website
$sl->ownername : the username of the owner of the object that called the website
$sl->region : the region ( sim ) informations where is the object that called the website
$sl->position : the position on the sim of the object that called the website
$sl->app : the module name to call
$sl->cmd : the command name for the module
$sl->arg : optionnal arguments as an array of key/value
$sl->region_name = the name of the region where is the object that called the website
$sl->region_x : absolute x position of the object that called the website
$sl->region_y : absolute y position of the object that called the website
$sl->position_x : the sim relative x position of the object that called the website
$sl->position_y : the sim relative y position of the object that called the website
$sl->position_z : the sim relative z position of the object that called the website
called module defined properties :
$sl->response['app'] : the app name used
$sl->response['cmd'] : the command used
$sl->repsonse['message'] : a message to send to the lsl script
