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changelog

fix MaskPosition (#163)

- remove ci args for use default config
- make MaskPosition optional 
- Add check for nil in addFormFieldInputFileUpload (#161) 
- Change type of Stickers field in CreateNewStickerSetParams struct (#160)

8.3 (#159)

* api 8.3

* changelog/ readme

- add option `WithInitialOffset(offset int64)` - allows to set initia…

…l offset for getUpdates method (#148)

changelog

- add method `bot.ID() int64`

- add method `bot.Token() string`

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