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Co-authored-by: Salamon <aleksey.a.kryuchkov@raiffeisen.ru>

Fixes https://github.com/gitlab4j/gitlab4j-api/issues/1058

Fixes #1034

Fixes https://github.com/gitlab4j/gitlab4j-api/issues/1053

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Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

Fixes #986

Follow-up to #954, which added the same for the non-paging request already.

If pipelines have a large amount of jobs (> 100 at least), need to use
the paging API to get all jobs (as GitLab limits paging size to max. 100).
JobApi didn't support the include_retried flag yet, in the methods that
support paging (i.e. those that return Pager<Job>/Stream<Job>)

This adds possibility to identify erased jobs.

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Co-authored-by: Konstantin Hintermayer <konstantin@handig-eekhoorn.at>
Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

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Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

Fixes #992

Fixes #1006

Co-authored-by: Jan Henrik Wiesner <jan.wiesner@gebit.de>
Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

Fixes #1009

Co-authored-by: t.mucs <t.mucs@4flow.de>

Fixes #984

Changes MergeRequestApi:

- added methods "getDiffs()" for GitLab Endpoint:
GET /projects/:id/merge_requests/:merge_request_iid/diffs

- add methods "getDiffVersions()" for GitLab Endpoint:
GET /projects/:id/merge_requests/:merge_request_iid/versions

- add method "getDiffVersion()" and "getOptionalDiffVersion()" for GitLab Endpoint:
GET /projects/:id/merge_requests/:merge_request_iid/versions/:version_id

- deprecate "getMergeRequestDiffs()" and "getMergeRequestDiff()"

Fixes #993

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Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

Correct JavaDoc for "protectTag" method to show actual information of GitLab endpoint method.

Co-authored-by: Усачев Дмитрий Дмитриевич <92usachevdd@region.cbr.ru>

Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>