Merge branch '9.18' into 9.19

Author: GrahamCampbell

CHANGELOG.md

@@ -7,8 +7,9 @@ CHANGE LOG
 * Added user events API
 
 
-## 9.18.1 (UPCOMING)
+## 9.18.1 (22/07/2020)
 
+* Fixed error in getHeader function
 * Fixed incorrect param type doc
 
 

README.md

@@ -53,7 +53,7 @@ $ composer require graham-campbell/gitlab:^3.2 php-http/guzzle6-adapter:^2.0.1
 $ composer require zeichen32/gitlabapibundle:^3.1 php-http/guzzle6-adapter:^2.0.1
 ```
 
-#### Symfony 5+:
+#### Symfony 3.4+:
 
 ```
 $ composer require zeichen32/gitlabapibundle:^4.0 php-http/guzzle6-adapter:^2.0.1