Bump to 0.5.0

Author: brson

CHANGELOG.md

@@ -1,3 +1,12 @@
+# 0.5.0
+
+- [Only generate backtraces with RUST_BACKTRACE set](https://github.com/brson/error-chain/pull/27)
+- [Fixup matching, disallow repeating "types" section](https://github.com/brson/error-chain/pull/26)
+- [Fix tests on stable/beta](https://github.com/brson/error-chain/pull/28)
+- [Only deploy docs when tagged](https://github.com/brson/error-chain/pull/30)
+
+Contributors: benaryorg, Brian Anderson, Georg Brandl
+
 # 0.4.2
 
 - [Fix the resolution of the ErrorKind description method](https://github.com/brson/error-chain/pull/24)

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "error-chain"
-version = "0.4.2"
+version = "0.5.0"
 authors = [ "Brian Anderson <banderson@mozilla.com>",
             "Paul Colomiets <paul@colomiets.name>",
             "Colin Kiegel <kiegel@gmx.de>"]