* Add upload_pipeline_version to kfp.Client
* Add the 'kfp pipeline upload_version' command to CLI
* Make sure to use upload_pipeline_version wihtout a helper func
* Make sure of the google coding style with yapf
* Fix up the pipeline id option
* Make the version and id options to the required options
* kfp pipeline upload
* kfp pipeline get
* kfp pipeline list
* Use logging [Set logging level to INFO]
* Catch exceptions raised in command calls and log them as errors
* Add comment for TODO kfp pipeline delete
Signed-off-by: Ilias Katsakioris <elikatsis@arrikto.com>