0.2.1

Bump the version in README

0.2.0

Make package not depending on Sodium

* Reduce the build size and improve compatibility on iOS devices
  by removing Sodium as an depending package

0.1.1

Update Package.swift for external usage

0.1.0

Support five protocols:

• Noise_N_25519_AESGCM_SHA256
• Noise_X_25519_AESGCM_SHA256
• Noise_IK_25519_AESGCM_SHA256
• Noise_KK_25519_AESGCM_SHA256
• Noise_KN_25519_AESGCM_SHA256

It has been tested against test vectors in Snow:
https://github.com/mcginty/snow/blob/master/tests/vectors/snow.txt