Institutional fund endpoints

Merge pull request #6 from larseijman/refactoring

Refactoring

Calendar and Stock Market endpoints added

Merge pull request #4 from larseijman/calendar-endpoints-complete

Added full support for calendar endpoints

Earnings calendar endpoints added

Merge pull request #2 from larseijman/earnings-calendar-endpoints

Added earnings calendar endpoints

Initial release with a few basic endpoints

Merge pull request #1 from larseijman/company-valuation-endpoints

Added company valuation endpoints