Return an error if the Push type is not supported

[adecler]

Issues addressed by this PR

Closes #168

Error now returned when push type is not supported:

Test files

PushTypeErrorMessage_Test.zip

Changelog

Additional comments

[adecler]

@BHoMBot check compliance

[bhombot-ci[bot]]

@adecler to confirm, the following actions are now queued: - check `code-compliance` - check `documentation-compliance` - check `project-compliance` - check `branch-compliance` - check `dataset-compliance` - check `copyright-compliance`

[pawelbaran]

The PR addresses the issue, happy to approve 👍

[adecler]

@BHoMBot check required

[bhombot-ci[bot]]

@adecler to confirm, the following actions are now queued: - check `code-compliance` - check `documentation-compliance` - check `project-compliance` - check `core` - check `null-handling` - check `serialisation` - check `versioning` - check `installer`

[bhombot-ci[bot]]

The check `code-compliance` has already been run previously and recorded as a successful check. This check has not been run again at this time.

[bhombot-ci[bot]]

The check `documentation-compliance` has already been run previously and recorded as a successful check. This check has not been run again at this time.

[adecler]

@BHoMBot check ready-to-merge

[bhombot-ci[bot]]

@adecler to confirm, the following actions are now queued: - check `ready-to-merge` There are 32 requests in the queue ahead of you.