Create a _summaries object that includes group if a group is specified in the query
Added blank returns for readability
Replaced non-existsent fail callback with error within load_form_url and added an error callback to _run_query
Added a try block to fake ajax call to allow calling the error callback of the url is not defined
Put dataset create/delete/exists in its own suite
Added a _calculations array to check against on adding calculkations
Fixed load_status which only returned a status when the status was not started