need to do:
1- test session function
2- make work save during the work(if file was renamed, it`s no any need to
rename it again, only if it`s names was changed)

3- add 'x'
4- add 'd'
3,4- think where it beter put in actionMethod of jTextFieldNewName or in
rename method

5- add settings options about save
need to do:
*add 'x' function
*add 'd' function
*add saving options in settings
like previous, + deleted comments