add TestLabels TEST
fix ...
impruve CreatePullReviewOptions Validate
some code refactor & reformat
add Validate functions where it make sence
add Validate() for CreateLabelOption
rm ToDo - not needed
Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/go-sdk/pulls/370
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Reviewed-by: Andrew Thornton <art27@cantab.net>
