Bump version, update Cargo.toml

Author: Denis

Cargo.toml

@@ -1,11 +1,17 @@
 [package]
 name = "class_group"
-version = "0.5.2"
-authors = ["omershlo <[email protected]>"]
+version = "0.5.3"
 edition = "2018"
+description = "Rust library for building IQC: cryptography based on class groups (Cl) of imaginary quadratic orders"
+license = "GPL-3.0-or-later"
+repository = "https://github.com/ZenGo-X/class"
+categories = ["cryptography", "algorithms", "api-bindings"]
+keywords = ["IQC", "class-group", "imaginary", "cryptoagorithms"]
+
+authors = ["omershlo <[email protected]>"]
 links = "libpari"
 build = "build.rs"
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
 [build-dependencies]
 bindgen = "0.50"