Feature Request - Date Range Filter

[foresttoney]

It would be great if the API support created_at range filters. Perhaps something like the following:

https://donorbox.org/api/v1/donations?created_at_start=xxx&created_at_end=xxx

[trentwritescode]

@foresttoney great idea. It would also be great if the API could support querying by updated_at. Sometimes its important for synchronized systems to know if a change has occurred to a donor, campaign, etc.