Update to use Rust stable

Cargo.toml

@@ -7,11 +7,11 @@ edition = "2018"
 
 [dependencies]
 tokio = { version = "1.0", features = ["rt-multi-thread"] }
-# didkit = { git = "https://github.com/spruceid/didkit/", rev = "c79e92f32ca1f07f2fadec0bb0860089e5aa9f7d" }
-ssi = { git = "https://github.com/spruceid/ssi/", rev = "69255be2836475549bd366fd1ef7e8168a3ac52e", features = ["http-did"] }
-did-key = { git = "https://github.com/spruceid/ssi/", rev = "69255be2836475549bd366fd1ef7e8168a3ac52e" }
-did-web = { git = "https://github.com/spruceid/ssi/", rev = "69255be2836475549bd366fd1ef7e8168a3ac52e" }
-did-tezos = { git = "https://github.com/spruceid/ssi/", rev = "69255be2836475549bd366fd1ef7e8168a3ac52e" }
+# didkit = { git = "https://github.com/spruceid/didkit/", rev = "ecfe9730f8896af5d5b86133f87a1b54a89a22d7" }
+ssi = { git = "https://github.com/spruceid/ssi/", rev = "2865e90920208347ad81d3280aa0778ac8869909", features = ["http-did"] }
+did-key = { git = "https://github.com/spruceid/ssi/", rev = "2865e90920208347ad81d3280aa0778ac8869909" }
+did-web = { git = "https://github.com/spruceid/ssi/", rev = "2865e90920208347ad81d3280aa0778ac8869909" }
+did-tezos = { git = "https://github.com/spruceid/ssi/", rev = "2865e90920208347ad81d3280aa0778ac8869909" }
 thiserror = "1.0"
 async-std = "1.9"
 serde_json = "1.0"

README.md

@@ -1,6 +1,6 @@
 # dillo-did
 
-[Dillo][] plugin for [did][] ([Decentralized Identifier][did-core]) URIs. Written in [Rust][]. Requires [Rust nightly][]. Build using [Cargo][]. Uses [`ssi`][]/[DIDKit][].
+[Dillo][] plugin for [did][] ([Decentralized Identifier][did-core]) URIs. Written in [Rust][]. Build using [Cargo][]. Uses [`ssi`][]/[DIDKit][].
 
 ## Screenshot
 
@@ -36,7 +36,6 @@ Apache License, Version 2.0
 
 [Dillo]: https://www.dillo.org/
 [Rust]: https://www.rust-lang.org/
-[Rust nightly]: https://doc.rust-lang.org/stable/book/appendix-07-nightly-rust.html
 [Cargo]: https://github.com/rust-lang/cargo
 [did]: https://www.iana.org/assignments/uri-schemes/prov/did
 [did-core]: https://www.w3.org/TR/did-core/