Methods
Sandcat:EditPreferences()
Displays the Sandcat Preferences screen
Sandcat:IsURLLoaded(warnuser)
Checks if an URL is loaded. If warnuser is supplied and is true, displays a message to the user in case no URL is loaded
returns: boolean
Sandcat:RegisterPreviewHandler(id,func,extlist,typelist)
Registers a new preview handler
Sandcat:ShowAbout()
Displays the Sandcat About screen
Sandcat:ShowPreviewHandlers()
Displays the list of registered preview handlers
Sandcat:ShowErrorLog()
Displays the script errors log