Merge pull request #1 from nixilin/on-my-T430-@-201305120106

add session id to logtext
Merge remote-tracking branch 'origin/on-my-T430-@-201305120106'
add a function: if UID's status changed, messagebox.show(uid and status)
add a function: if UID's status changed, show a messagebox with UID and new status.
syntax correction