- migrates to ffi 1.0.0
- stable null safety
- adds support for sodium_core_hchacha and hsalsa (merge 0.1.11)
- implements null safety
- adds support for loading libsodium on Linux and Windows
- adds support for sodium_core_hchacha and hsalsa
- adds support for sodium_runtime_*, sodium_memcmp, sodium_pad and sodium_unpad
- sets Android build.gradle minSdkVersion 16, fixing implicit permissions READ_PHONE_STATE, READ_EXTERNAL_STORAGE and WRITE_EXTERNAL_STORAGE
- backwards incompatible Sodium.cryptoPwhashStr* changes, str return value and parameter type changed from ascii decoded String to null terminated Uint8List
- improves API documentation
- removes obsolete convert package dependency
- fixes Android deprecated API build warning
- fixes "cannot find symbol" compile error on Android
- fixes symbol lookup issue since flutter 1.20
- fixes platforms key in pubspec.yaml
- adds sodium hex and base64 conversion helpers
- removes sodium prefix from version and init functions (breaks API)
- fixes generic_hash crash on Android
- reverts invalid multi-platform pubspec settings
- fixes documentation and multi-platform support warnings
- fixes "Failed to lookup symbol" errors on iOS in release mode.
- rewrite flutter_sodium using FFI