ESG, owners, and clear cache

NEW "esg" data type for ESG scores, US markets only.

NEW "owners" data type for owners earnings calculations.

"ratings" function now allows for metric chaining and multi-year output.

Historical market cap maximum output range increased to 5 years.

Major speed optimisations and caching improvements.

Completed migration of metrics from companyInfo to realTime data type.

NEW utility Clear Cache now available from drop-down menu.