Would it be possible to support more crypto algorithms which recent versions of OpenSSH support?

From man ssh_config on Debian Jessie.

• MACs

  umac-64-etm@openssh.com,umac-128-etm@openssh.com,
  hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,
  umac-64@openssh.com,umac-128@openssh.com,
  hmac-sha2-256,hmac-sha2-512,
  hmac-md5-etm@openssh.com,hmac-sha1-etm@openssh.com,
  hmac-ripemd160-etm@openssh.com,
  hmac-sha1-96-etm@openssh.com,hmac-md5-96-etm@openssh.com,
  hmac-md5,hmac-sha1,hmac-ripemd160,
  hmac-sha1-96,hmac-md5-96

• Ciphers

  aes128-ctr,aes192-ctr,aes256-ctr,
  aes128-gcm@openssh.com,aes256-gcm@openssh.com,
  chacha20-poly1305@openssh.com,
  arcfour256,arcfour128,
  aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,
  aes192-cbc,aes256-cbc,arcfour

• KexAlgorithms

  curve25519-sha256@libssh.org,
  ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,
  diffie-hellman-group-exchange-sha256,
  diffie-hellman-group14-sha1,
  diffie-hellman-group-exchange-sha1,
  diffie-hellman-group1-sha1

Related to: darkoperator/Posh-SSH#103
Partly related to: #20