* Added .onAttach() startup message
* Added PB, DIV, ROA, GrossMargin, OperatingMargin, NetMargin, CurrentRatio, Revenue
* New library that scrapes SEC 'EDGAR' filings for CIK, EPS, NetIncome, ROE, DE, PE
* get_cik(), get_fundamentals(), get_fundamentals_batch(), get_filing_history()