
Changes to original Implementation:

ADD methods:
  Optional<IOException> getException()
  to get the exception stored by ICSVWriter, AbstractCSVWriter or CSVWriter

  void resetError()
  to reset the exception stored by ICSVWriter, AbstractCSVWriter or CSVWriter

ADD Test-Cases:
    getExceptionReturnsException()
    getExceptionReturnsExceptionUsingPrintWriter()
    resetException()
    resetError()

    to test the added methods


Modifications Copyright (c) 2019 Kevin Kußmaul