Revert "Preparing release v1.8.0"

This reverts commit a1dab77.

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [1.8.0] - 2019-06-08
+## [Unreleased]
 - Update the default `protoc` version to `3.8.0`.
 - Parse updated `protoc` output for `3.8.0`.
 - Fix issue where there were an unbounded number of `protoc` calls were
@@ -244,7 +244,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 - Initial release.
 
-[1.8.0]: https://github.com/uber/prototool/compare/v1.7.0...v1.8.0
+[Unreleased]: https://github.com/uber/prototool/compare/v1.7.0...HEAD
 [1.7.0]: https://github.com/uber/prototool/compare/v1.6.0...v1.7.0
 [1.6.0]: https://github.com/uber/prototool/compare/v1.5.0...v1.6.0
 [1.5.0]: https://github.com/uber/prototool/compare/v1.4.0...v1.5.0

internal/vars/vars.go

@@ -23,7 +23,7 @@ package vars
 
 const (
 	// Version is the current version.
-	Version = "1.8.0"
+	Version = "1.8.0-dev"
 
 	// DefaultProtocVersion is the default version of protoc from
 	// github.com/protocolbuffers/protobuf to use.