get_qdata               Getting quarterly data from all public
                        companies from EDGAR
get_ydata               Getting yearly data from all public companies
                        from EDGAR
prepare_data            Data wrangling for tidy fundamental data from
                        EDGAR
retrieve_data           Helper function for quarterly financial data
                        retrieval
safe_max                Safely calculating the max.
yearly_data             Getting a summary with the basic financials for
                        all companies
