API client updates

[codecov-commenter]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (6515e39) 83.73% compared to head (19f2b3d) 84.26%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #177 +/- ## ============================================ + Coverage 83.73% 84.26% +0.52% Complexity 1105 1105 ============================================ Files 168 168 Lines 4194 4194 ============================================ + Hits 3512 3534 +22 + Misses 682 660 -22 ``` | [Files](https://app.codecov.io/gh/retailcrm/api-client-php/pull/177?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=retailcrm) | Coverage Δ | | |---|---|---| | [...del/Request/References/CurrenciesCreateRequest.php](https://app.codecov.io/gh/retailcrm/api-client-php/pull/177?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=retailcrm#diff-c3JjL01vZGVsL1JlcXVlc3QvUmVmZXJlbmNlcy9DdXJyZW5jaWVzQ3JlYXRlUmVxdWVzdC5waHA=) | `66.66% <ø> (ø)` | | | [src/ResourceGroup/WebAnalytics.php](https://app.codecov.io/gh/retailcrm/api-client-php/pull/177?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=retailcrm#diff-c3JjL1Jlc291cmNlR3JvdXAvV2ViQW5hbHl0aWNzLnBocA==) | `100.00% <ø> (+100.00%)` | :arrow_up: | ... and [2 files with indirect coverage changes](https://app.codecov.io/gh/retailcrm/api-client-php/pull/177/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=retailcrm)

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