Financescraper

-- add a scraper accessing the IEX API
-- add an abstract base class for all scraper to ensure the interface
-- add a scraper that accesses all other scrapers using different approaches
-- add test coverage detection
-- update example scripts (full example now writes to a file)

-- replace the returned dictionaries with purpose built objects
-- update documentation
-- add automated testing
-- add currency converter tests
-- update and improve example scripts
-- restructure project (folder structure)

-- use setuptools capabilities to find all necessary packages

-- HOTFIX: pip distribution did not contain core and util packages

-- add a proper README to the project
-- add a documentation to the project
- document project setup
- provide a quickstart guide
- show the interface in detail
-- add tests to ensure the project survives through refactorings