add supoort for SocketAddr SocketAddrV4 SocketAddrV6

[gcxfd]

#16

[gcxfd]

see this commit c01083b , the other change are cargo fmt

[gcxfd]

another update

add write_to_box ( with features box to enable )

and see the new bench on my mac 2015
koute/serde-bench#3

test serialize_manual                      ... bench:          77 ns/iter (+/- 9)
test serialize_manual_foreign_endianness   ... bench:          75 ns/iter (+/- 6)
test serialize_prost                       ... bench:         101 ns/iter (+/- 13)
test serialize_rmp                         ... bench:          94 ns/iter (+/- 7)
test serialize_serde_bincode               ... bench:          90 ns/iter (+/- 14)
test serialize_serde_cbor                  ... bench:         171 ns/iter (+/- 20)
test serialize_serde_json                  ... bench:         399 ns/iter (+/- 21)
test serialize_serde_pickle                ... bench:         129 ns/iter (+/- 13)
test serialize_serde_rmp                   ... bench:         167 ns/iter (+/- 17)
test serialize_serde_xdr                   ... bench:         120 ns/iter (+/- 13)
test serialize_speedy                      ... bench:          83 ns/iter (+/- 9)
test serialize_speedy_box                  ... bench:          75 ns/iter (+/- 5)
test serialize_speedy_foreign_endianness   ... bench:          83 ns/iter (+/- 5)

[jeromegn]

This sounds useful, but I think auto-formatting should've been turned off when saving files ;)

[jeromegn]

I made my own PR (#63) following the coding style of this project and based on the latest master.