Added sorting for control fields and data fields based on the comparable implementation
Added sorting for control fields and data fields based on the comparable implementation

jasonzou/marc4j,Dyrcona/marc4j,Dyrcona/marc4j,kylieloo/473marc4j,marc4j/marc4j,marc4j/marc4j,kylieloo/473marc4j,kylieloo/473marc4j,jasonzou/marc4j