Added operator%.
Added PRETTY mode for IO.
Selected alternative PRETTY output format.
Wrote input parser to accept the pretty format.
BINARY mode not working! See prepared tests in Polynomial-test.C.
- Removed warnings caused by some unused static string constants.
- Added some missing typenames.
- Changed uses of <strstream> to <sstream>.
- added missing dereferences in modification operators
- do use SNIHACK for Boralnd, which has touble distinguishing templated
constructor from specialization
- removed some const & for the same reason.
- removed unneeded variable initialization
- added missing CGAL_NTS before sign
- added specialization of operator - for Polynomial<int> and <double>