[Enhancement] Fix #25; enhance Cargo.toml

Author: kevinmatthes

Cargo.lock

@@ -1,11 +1,14 @@
 [package]
+categories = ["command-line-utilities"]
+description = "Gets the time somebody worked on something from `git log`."
+edition = "2021"
+keywords = ["cli", "git", "summary", "time"]
+license = "MIT"
 name = "commit-analyzer"
+repository = "https://github.com/wert007/commit-analyzer"
 version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-chrono = "*"
-clap = { version = "*", features = ["derive"] }
-sysexits = "*"
+chrono = "0.4.19"
+clap = { version = "3.2.6", features = ["derive"] }
+sysexits = "0.3.0"

Cargo.toml

@@ -1,5 +1,9 @@
 # Commit Analyzer
 
+## Summary
+
+Gets the time somebody worked on something from `git log`.
+
 ## Description
 
 This is a simple tool which grabs the output of `git log --numstat` and analyzes