* First pass at security price reference
* Data cleanup
* Synth security fetching does better with a mic_code
* Update test suite
😭
* Update schema.rb
* Update generator.rb
* User tickers as primary lookup symbol instead of isin
* Add security price provider
* Fetch security prices in bulk to improve sync performance
* Fetch prices in bulk, better mocking for tests
* Implement Synth as an exchange rate provider
* Add assertions to provider interface test
* Assert the correct provider error is raised
* Remove unnecessary parens
