Implemented enhancements:
- add ssh keys Algo diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256,curve25519-sha256@libssh.org
- add ssh chippers aes128-gcm@openssh.com,cast128-cbc,aes128-ctr,aes192-ctr,aes256-ctr,3des-cbc,blowfish-cbc,twofish-cbc,twofish256-cbc,twofish192-cbc,twofish128-cbc,aes256-cbc,aes192-cbc,aes128-cbc,arcfour
Fixed bugs:
- calculate day in rotate backup
- remove old backup file in rotate