Changelog:
* new polynomial matrix API
* new FFT code for polynomial matrices
* Dixon solver refactorization
* more examples for rational solutions
* cleanup of BlasMatrixDomain with minor API changes
* update wrt Givaro's new randiter API
* many bug fixes
Fingerprints of linbox-1.7.0.tar.gz attached:
sha1=24e8bdbd16fe3dedce0dd343398999a4aed7c02c
md5=1e1b95f12f015815a0194eac0cb611d0
cksum=253115750