Revision history:
    2.2.3
        +     .
        +      
        +      ( , , ).
        +     .
        +       .
        +       .
        +      .
        +          .
        +        .
    2.2.2
        +         
    2.2.1
        + //
    2.2
        +    ( ""     
               )
        +  //
    2.1
        +       
    2.0.9
        +     .
        +      6.
        +     "Ok"
        +         (  )
        +  //
    2.0.8
        +     .
        +        
        +     . 
            ID3v1.0 ( , , , , )
    2.0.7
        +     .
        +        .        .
        +    (+)   .
        +       (+)   .
    2.0.6
        +    . (   Release_eng)
        +     .
        +   
        +   
    2.0.5
        +     .
    2.0.4
        +     .
        +     
        +     /     
    2.0.3
        +     
        +        ( ,  )
        +     2010  
    2.0.2
        +     .
        +    
        +    . 
                  -    . 
               -    .
        +      .
    2.0.1
        +     .
        +   .   ->->
        +         ,    ,   .
        +   , -       Y=0.
        +  //
    2.0 beta 2
        +     .
        +     6.
        +      ,    ,   .
        +  .   ""   .
        +   
        +      ,  x -    
        +  
    2.0 beta
        +   bcfg
        +   
        +  FM  .
    1.0.9
        +    "Ok"  
        +    -
    1.0.8
        + ,     "Ok"  
        +        
        +        
        +  -
    1.0.7
        +     
        +       hex    dec
              hex.
