Ebcdic-parser

* Exclude data from final output for a given field based on conditions.
* Remove a delimiter, carriage return and newline characters from final output for string fields.

* Return output to default device after completion.
* Modified run() to pass returnCode to main() and as the final exit code.

* Automate version management.
* Add CHANGES.md documentation.

* Added dedicated PyPI README file.
* Refined documentation.

* Provide a command-line interface for ebcdic_parser package running via python -m ebcdic_parser.

* Fixed relative path parameters in command prompt mode.
* Refined documentation.