Execute multiple get_request calls

Submits multiple get requests to the Harvest API v2. Supports parallel execution through furrr & the future package.

get_requests(urls, table, user, key, ...)

Arguments

urls	Named list of character vectors of urls in groups from build_url_groups function.
table	Character table name to be submitted to the Harvest API v2. Refer to Harvest API v2.
user	Character account number (e.g. user = '12345') for authentication. Register at Harvest Developers.
key	Character key (e.g. key = 'Bearer <secret key>') for API authentication. Register at Harvest Developers.
...	Additional arguments, potentially passed to other functions - see details in get_table

named list of contents of API responses for specified group of URLs