fast-case squaring in _fmpz_poly_mul and _fmpz_poly_mullow
squaring optimisation in fmpq_poly_mul
have n_gcd take input in either order; update test and documentation
improve _fmpz_poly_inv_series, especially for short input (includes interface change)
improve _fmpz_poly_div_series
update copyright
take input length parameter in _fmpz_poly_revert_series methods
faster fmpz_poly_mul with small coefficients
call mul instead of mul_KS in div_divconquer (assume tuning is correct)
extend inline multiplication to 1x1 -> 2 limb case
fast path for _fmpz_poly_sqr
slightly simplify _fmpz_poly_mul
make sure high coefficients in inputs are ignored in mullow_KS/SS
continuation of last commit
fast basecase _fmpz_poly_mullow code
add basecase _fmpz_poly_sqrlow
tweak tuning for _fmpz_poly_mul
take a variable input length in _fmpq_poly_inv_series
take variable input lengths in _fmpq_poly_div_series
take variable length input in _fmpq_poly_log_series