updated for existence of test directory
Initial test script
Initial test results for regression testing
Added four new options: skipsets, skipenum, splitinserts, and doubleslash.
Fixed bugs with removing unrecognized options properly for enums, dates, and other fields with constraints.
Added requirement for Perl 5.10 (Perl 5.8 lacks ++ RE operator).
Fixed bugs with year constraints (extra double quotes needed to be removed.)
Added simple regression test.
Input file for regression test