Version 1.32 - saving/restoring the last chosen tab

 - saving the last chosen tab on close Lister window to the INI file
 - restorig the last chosen tab on opening the Lister window from
   the INI file
 - big refactoring
Version 1.33 or higher - adding new tab for the occurrences of digits

 - new tab is similar to the tab "Flexible", but it displays
   occurrences of digits
 - tab "Flexible renamed to "Alphabet" and the new tab is "Digits"
 - continues translating of the source code to English
Version 1.4 - Occurrences of digits - as sortable list and as histogram

 - new tab for sortable list of occurrences of digits
 - new tab for histogram of occurrences of digits
 - continues translating of the source code to English