starting session and small other stuff

a. possibly bug on edit contact fixed (forgot to close connection to db)
b. session workout (testers pls!)
c. possible bug on delete contact fixed
d. possible bug on send msg(not my fault, but sometimes for only google
knows reasons the chosen app cant be found. let me know if it happened
again)
e. 3 letters required in user name, + fixed show up empty. (be aware,
it'll take effect only on new contacts)
f. small redesign quick response
g. starting the work on local files