K 10 svn:author V 7 thierry K 8 svn:date V 27 2020-05-29T14:55:14.374121Z K 7 svn:log V 230 Adding sypow, a mathematical program to compute special values of symmetric power elliptic curve L-functions; it can compute up to about 64 digits of precision. It was bundled with SageMath, and now will be used as a dependency. END