Merge remote-tracking branch 'origin/master' into fix-1063

Cargo.toml

@@ -50,6 +50,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_yaml = "0.8"
 semver = "0.11"
 path_abs = { version = "0.5", default-features = false }
+clircle = "0.2.0"
 
 [dependencies.git2]
 version = "0.13"
@@ -76,6 +77,7 @@ tempdir = "0.3"
 assert_cmd = "1.0.2"
 serial_test = "0.5.1"
 predicates = "1.0.6"
+wait-timeout = "0.2.0"
 
 [build-dependencies]
 clap = { version = "2.33", optional = true }