README.md in argon2-1.1.5

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 * [Lua (native)](https://github.com/thibaultCha/lua-argon2) by [@thibaultCha](https://github.com/thibaultCha)
 * [Lua (ffi)](https://github.com/thibaultCha/lua-argon2-ffi) by [@thibaultCha](https://github.com/thibaultCha)
 * [OCaml](https://github.com/Khady/ocaml-argon2) by [@Khady](https://github.com/Khady)
 * [Python (native)](https://pypi.python.org/pypi/argon2), by [@flamewow](https://github.com/flamewow)
 * [Python (ffi)](https://pypi.python.org/pypi/argon2_cffi), by [@hynek](https://github.com/hynek)
+* [Python (ffi, with keyed hashing)](https://github.com/thusoy/porridge), by [@thusoy](https://github.com/thusoy)
+* [R](https://cran.r-project.org/package=argon2) by [@wrathematics](https://github.com/wrathematics)
 * [Ruby](https://github.com/technion/ruby-argon2) by [@technion](https://github.com/technion)
 * [Rust](https://github.com/quininer/argon2-rs) by [@quininer](https://github.com/quininer)
 * [C#/.NET CoreCLR](https://github.com/kmaragon/Konscious.Security.Cryptography) by [@kmaragon](https://github.com/kmaragon)
 * [Perl](https://github.com/Leont/crypt-argon2) by [@leont](https://github.com/Leont)
+* [mruby](https://github.com/Asmod4n/mruby-argon2) by [@Asmod4n](https://github.com/Asmod4n)
+* [Swift](https://github.com/ImKcat/CatCrypto) by [@ImKcat](https://github.com/ImKcat)
 
 
 ## Test suite
 
 There are two sets of test suites. One is a low level test for the hash