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

Add deploy keys related API (GitLabPHP#146)

* Add API to retrieve all deploy keys

* Add method to enable/disable a key for a project

Added test for group with vis level

Added namespace search endpoint. Fixes GitLabPHP#101

Added current_sign_in_at field to User modal

Handle dots and slashes when encoding. Fixes GitLabPHP#86 GitLabPHP#87