v1.7.0
* Bugfix: unknown kex fixes for SpecterMigrator * create sha256sums * fix * kick * kick * kick * kick * kick * a script for signing * kick * kick * lots of stuff * improve caching * improve caching * reasonable wget progress output * kick * kick * kick * hash and signing for windows * sha256impl in py for win incl refactoring * kick * kick * kick * kick * kick * kick * kick * kick * small test-cypress change