Merge pull request GitLabPHP#251 from c33s/feature/variables-enhancement

Updated addVariable() and updateVariable()

Merge pull request GitLabPHP#244 from KyleWiering/Issue-242

GitLabPHP#242 Gitlab/Model/MergeRequest methods fails on incorrect id usage

Merge pull request GitLabPHP#241 from fbourigault/repository-files

Add RepositoryFiles api endpoint

Merge pull request GitLabPHP#240 from fbourigault/deprecate-comments

Deprecate merge request comment related methods

Merge pull request GitLabPHP#236 from luceos/patch-1

Update ProjectHook.php

Merge pull request GitLabPHP#234 from fbourigault/multi-files-commit

Multi files commit

Merge pull request GitLabPHP#224 from fbourigault/options-resolver

Use options resolver almost everywhere

Merge pull request GitLabPHP#223 from fbourigault/issue-220

Issue 220

Merge pull request GitLabPHP#187 from violuke/patch-1

Allowing different archive format types

Add ability to delete an issue comment (GitLabPHP#150)

* Add ability to delete an issue comment

* Rename deleteComment to removeComment according to GitLabPHP#149