0.5.1 Added validation for numberings 
0.5.1 Added menu to control over cleaning process 
0.4.8 Added conversion for И + \u0306 to Й  and еЕ + \u308 to ёЁ
0.4.7 Added conversion for и + \u0306 to й
0.4.3 Fixed bad regexps
0.4.2 Fixed subscript/superscript conversion, added finish message
0.4.1 Improved conversion for diacritic marks
0.4.0 Added fonts in styles conversion, also added conversion for WL Latin symbols
0.3.7 Added greek extended conversion to Tinos, extended latin and letter-like symbols to base font
0.3.6 Added check for null EmbeededObject (13.01.2019)
0.0.1 (18.10.2019)
  initial release