*add license file for correct source file header
*add WordsListStatistic class for collect words (strings) and mark them as correct/uncorrect
*add WordRepeater class as container of WordsListStatistic with round system (new round is a new WordsListStatistic only with errors from previous step)
*add usage of WordRepeater in TimerMainWindow
*add checking unmarked words on creating new round
*add new dialog with statistics DialogWordStatistics
*add usage of this dialog
*some refactoring
*add new statistics for all/correct/error words count
*add StatisticsTableModel for show word studing process by rounds(steps)
*add new model to View
*change call logics (create new dialog with statistics paramets)
*fix wrong count columns
*change to procent
*change view options
*add text to top/left conner @button@ in tableView
*add disable start button on all done list
*add enable on load new text file/clear old file
*fix error on start with only sound
*add methodes to check mode text/only sound
*fix eror on @tick in sound mode
*one more error in sound mode
*add logics for stop previous sound (when next @tick start before previous sound played)
*add focus to next button on start play/round
*fix wrong selection mode (to row)
*change logics (on no next round) from disable start button to show statistics
*fix double show statistics
*some UI fixs
*add to statistics new font (will work on WinXP)
*some changes in statistics text (in table)
*add time changing on new round ( * 1.5)