Merge #31

31: Closes #28: Version 0.3.0 r=posborne a=chris-ricketts

Closes #28:
- Documents changes to errors in CHANGELOG.md
- Bumps crate version


Co-authored-by: chris ricketts <[email protected]>

Author: bors[bot]

CHANGELOG.md

@@ -8,6 +8,13 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## v0.3.0 - 2020-02-10
+
+Refactored Errors:
+- Removed the `error-chain` dependency.
+- Errors are now implemented "manually" with `ErrorKind` and `IoctlKind` enums. 
+- The encompassing `Error` type implements the `std::error::Error` trait.
+
 ## v0.2.0 - 2018-12-12
 
 Adds the ability to create a collection of lines from a single chip and read or write those lines simultaneously with a single stystem call.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "gpio-cdev"
-version = "0.2.1"
+version = "0.3.0"
 authors = ["Paul Osborne <[email protected]>", "Frank Pagliughi <[email protected]>"]
 description = "Linux GPIO Character Device Support (/dev/gpiochipN)"
 homepage = "https://github.com/posborne/rust-gpio-cdev"