File csv.c: Update test function arguments.
File pardiff.c: Add tests for all necessary file formats.
File parformat.c: Test more file formats.
File pario.c: Test reading old .res and .fit files.
File parmatch.c: Add tests for all necessary file formats.
File parsort.c: Test more file formats.
File tacadd.c: Add tests for options.
Global tacCorrectFrameOverlap (TAC *d, TPCSTATUS *status): Add tests.
File tacformat.c: Test more file formats.
File tacmatch.c: Add decent tests, although library functions are tested.
File tacstudy.c: Test other TAC formats.