Merge branch 'hotfix/changelog'

Fixes 3.1.1 CHANGELOG

Author: weierophinney

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 3.2.0 - TBD
+## 3.1.1 - 2018-07-10
 
 ### Added
 
@@ -25,26 +25,6 @@ All notable changes to this project will be documented in this file, in reverse
 - [#34](https://github.com/zendframework/zend-math/pull/34) fixes the docblock for `Rand::getFloat` to indicate that the bottom boundary
   can include 0.
 
-## 3.1.1 - 2018-07-10
-
-### Added
-
-- Nothing.
-
-### Changed
-
-- Nothing.
-
-### Deprecated
-
-- Nothing.
-
-### Removed
-
-- Nothing.
-
-### Fixed
-
 - [#36](https://github.com/zendframework/zend-math/pull/36) removes all references to ircmaxell/random-lib from the component. While
   it was no longer used internally, references still existed that caused confusion for
   some users.