* Implemented our own branch coverage tool to the function getFieldValue

* Added 4 unit tests to improve the branch coverage for the function

* Added our own branch coverage tool to the function format

* Added our own branch coverage tool to the function addDotIfAbbreviation

* Add branch coverage metric to GvKParser::parseEntry
   including results before and after added tests.

* Add 4 unit tests to GvKParser::parseEntry that increase 
  coverage by ~10 percentage points. Tests are simplified 
  to only contain necessary inputs.

* Refactor GvkParser::parseEntry (refactoring was done by 
   all group members) to reduce CC by at least 35%.

Co-authored-by: David Johansson <david.johansson11@gmail.com>
Co-authored-by: yiiju <yijuhung0129@gmail.com>
Co-authored-by: Christine Rosquist <rosquistchristine@gmail.com>

…dleArgument (#3)

* Added branch coverage tool to Authors::handleArgument
  including results before and after added tests

* Add 4 unit tests to Authors::handleArgument in AuthorsTest
  increase branch coverage from 58% to 73%

* Refactor Authors::handleArgument into a new file, AuthorsRefactor and unit tests file, AuthorsRefactorTest
  reduce cyclomatic complexity from 36 to 7 (larger than 35%)

Co-authored-by: Simon Sirak <simon.sirak@hotmail.com>

* Implemented ad-hoc branch coverage tool for RTFChars::transformSpecialCharacter().
* Implemented 4 unit tests that increase the coverage from 67% to 90% according to our own branch coverage tool.

* Implemented ad-hoc branch coverage tool for EntryComparator::compare().
* Implemented 4 unit tests that increase the coverage from 28% to 48% according to our own branch coverage tool.

* Add branch coverage to AuthorListParser::getToken