Function generator and code guide

New Function Generator, now including all SheetsFinance functions, new searchable and filterable format.

New Code Guide.

Added "CIK" and "cusip" to companyInfo.

Added "goodwillAndIntangibleAssets", "deferredRevenueNonCurrent", "capitalLeaseObligations", "preferredStock" and "minorityInterest" to Balance Sheets.