Prepare 2.6.0-beta1 release

Author: binarylogic

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [2.6.0-beta1] - 2017-10-28
+
 ### Fixed
 
   - Encoding and rewind issues for file upload parameters have been resolved. Timber
@@ -109,7 +111,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
     instead of applying back pressure.
 
 
-[Unreleased]: https://github.com/timberio/timber-ruby/compare/v2.5.1...HEAD
+[Unreleased]: https://github.com/timberio/timber-ruby/compare/v2.6.0-beta1...HEAD
+[2.6.0-beta1]: https://github.com/timberio/timber-ruby/compare/v2.5.1...v2.6.0-beta1
 [2.5.1]: https://github.com/timberio/timber-ruby/compare/v2.5.0...v2.5.1
 [2.5.0]: https://github.com/timberio/timber-ruby/compare/v2.4.0...v2.5.0
 [2.4.0]: https://github.com/timberio/timber-ruby/compare/v2.3.4...v2.4.0

lib/timber/version.rb

@@ -1,3 +1,3 @@
 module Timber
-  VERSION = "2.5.1"
+  VERSION = "2.6.0-beta1"
 end