Split s3 uri path to core components bucket, key and version id
s3_path_split(path)
(character): A character vector of one or more paths or s3 uri
list character vectors splitting the s3 uri path in "Bucket", "Key" and "VersionId"
if (FALSE) {
# Require AWS S3 credentials
s3_path_dir("s3://my_bucket1/hi.txt")
}