Added docs and other minor improvements

Author: newpavlov

Cargo.toml

@@ -1,13 +1,17 @@
 [package]
 name = "hidapi"
-version = "0.3.0"
-authors = ["Roland Ruckerbauer <[email protected]>", "Osspial <[email protected]", "Artyom Pavlov <[email protected]>"]
+version = "0.3.1"
+authors = [
+    "Roland Ruckerbauer <[email protected]>",
+    "Osspial <[email protected]>",
+    "Artyom Pavlov <[email protected]>"]
 repository = "https://github.com/Osspial/hidapi-rs"
 description = "Rust-y wrapper around hidapi"
 license = "LGPL-3.0+"
-keywords = ["hid", "api", "binding"]
+keywords = ["hid", "api", "usb","binding", "wrapper"]
 build = "build.rs"
 links = "hidapi"
+documentation = "https://beta.docs.rs/hidapi"
 
 [dependencies]
 libc = "0.2.15"

README.md

@@ -6,7 +6,7 @@ This crate provides a rust abstraction over the features of the C library
 
 # Usage
 
-This crate is [on crates.io](https://crates.io/crates/hidapi) and can be
+This crate is on [crates.io](https://crates.io/crates/hidapi) and can be
 used by adding `hidapi` to the dependencies in your project's `Cargo.toml`.
 
 ```toml
@@ -40,4 +40,4 @@ println!("Wrote: {:?} byte(s)", res);
 ```
 
 # Documentation
-You can generate documentation by running `cargo doc` for this crate.
+Available at [on crates.io](https://beta.docs.rs/hidapi)

build.rs

@@ -28,9 +28,9 @@ fn main() {
 fn compile() {
     let mut config = gcc::Config::new();
     config.file("etc/hidapi/libusb/hid.c").include("etc/hidapi/hidapi");
-    let lib = pkg_config::find_library("libusb-1.0").unwrap();
+    let lib = pkg_config::find_library("libusb-1.0").expect("Unable to find libusb-1.0");
     for path in lib.include_paths {
-        config.include(path.to_str().unwrap());
+        config.include(path.to_str().expect("Failed to convert include path to str"));
     }
     config.compile("libhidapi.a");
 }

src/lib.rs

@@ -29,7 +29,7 @@
 //! [dependencies]
 //! hidapi = "0.3"
 //! ```
-//! Example:
+//! # Example:
 //!
 //! ```rust,no_run
 //! extern crate hidapi;