1.4.0 readiness

- Removes empty 1.3.2 version stub from CHANGELOG.
- Sets date for 1.4.0 release in CHANGELOG.
- Updates branch aliases:
  - dev-master => 1.4.x-dev
  - dev-develop => 1.5.x-dev

Signed-off-by: Matthew Weier O'Phinney <[email protected]>

Author: weierophinney

Diff for: CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 1.4.0 - TBD
+## 1.4.0 - 2020-06-17
 
 ### Added
 
@@ -24,28 +24,6 @@ All notable changes to this project will be documented in this file, in reverse
 
 - Nothing.
 
-## 1.3.2 - TBD
-
-### Added
-
-- Nothing.
-
-### Changed
-
-- Nothing.
-
-### Deprecated
-
-- Nothing.
-
-### Removed
-
-- Nothing.
-
-### Fixed
-
-- Nothing.
-
 ## 1.3.1 - 2019-06-24
 
 ### Added

Diff for: composer.json

@@ -23,8 +23,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.3.x-dev",
-            "dev-develop": "1.4.x-dev"
+            "dev-master": "1.4.x-dev",
+            "dev-develop": "1.5.x-dev"
         },
         "laminas": {
             "config-provider": "Mezzio\\Session\\Cache\\ConfigProvider"