feat: update to latest async-imap

Cargo.toml

@@ -20,15 +20,12 @@ smallvec = "1.0.0"
 reqwest = { version = "0.10.0", features = ["blocking", "json"] }
 num-derive = "0.3.0"
 num-traits = "0.2.6"
-async-smtp = { git = "https://github.com/async-email/async-smtp" }
+async-smtp = "0.2"
 email = { git = "https://github.com/deltachat/rust-email", branch = "master" }
 lettre_email = { git = "https://github.com/deltachat/lettre", branch = "master" }
-
-# XXX newer commits of async-imap lead to import-export tests hanging
-async-imap = { git = "https://github.com/async-email/async-imap", branch = "dcc-stable" }
-
-async-native-tls = "0.1.1"
-async-std = { version = "1.0", features = ["unstable"] }
+async-imap = "0.2"
+async-native-tls = "0.3.1"
+async-std = { version = "1.4", features = ["unstable"] }
 base64 = "0.11"
 charset = "0.1"
 percent-encoding = "2.0"
@@ -38,8 +35,6 @@ chrono = "0.4.6"
 failure = "0.1.5"
 failure_derive = "0.1.5"
 indexmap = "1.3.0"
-# TODO: make optional
-rustyline = "4.1.0"
 lazy_static = "1.4.0"
 regex = "1.1.6"
 rusqlite = { version = "0.21", features = ["bundled"] }
@@ -62,6 +57,9 @@ mailparse = "0.10.2"
 encoded-words = { git = "https://github.com/async-email/encoded-words", branch="master" }
 native-tls = "0.2.3"
 image = { version = "0.22.4", default-features=false, features = ["gif_codec", "jpeg", "ico", "png_codec", "pnm", "webp", "bmp"] }
+pretty_env_logger = "0.3.1"
+
+rustyline = { version = "4.1.0", optional = true }
 
 [dev-dependencies]
 tempfile = "3.0"
@@ -82,10 +80,11 @@ path = "examples/simple.rs"
 [[example]]
 name = "repl"
 path = "examples/repl/main.rs"
+required-features = ["rustyline"]
 
 
 [features]
 default = ["nightly", "ringbuf"]
-vendored = ["native-tls/vendored", "reqwest/native-tls-vendored"]
+vendored = ["async-native-tls/vendored", "reqwest/native-tls-vendored", "async-smtp/native-tls-vendored"]
 nightly = ["pgp/nightly"]
 ringbuf = ["pgp/ringbuf"]