Merge pull request #8 from rust-math/num-complex-0.4

Upgrade to num-complex 0.4, rand 0.8

Author: termoshtt

Cargo.toml

@@ -12,7 +12,7 @@ categories = ["algorithms"]
 license = "MIT"
 
 [dependencies]
-num-complex = { version = "0.3.0", features = ["serde", "rand"] }
-num-traits = "0.2.12"
-rand = "0.7.3"
-serde = "1.0.113"
+num-complex = { version = "0.4.0", features = ["serde", "rand"] }
+num-traits = "0.2.14"
+rand = "0.8.3"
+serde = "1.0.124"