Fix for #27
Merge pull request #31 from williamknauss/issue-27

fix for issue #27
made _wfile proctected
made _rfile protected
made _check_count protected
made _check_data protected
made _enclose_value protected
made _validate_offset protected
made _validate_row_condition protected
made _validate_row_conditions protected
Merge pull request #32 from williamknauss/proper-access

Proper access
Merge pull request #8 from parsecsv/master

U2D