New forex provider ExchangeRatesAPI which is used by default (#248)

* Add new unauthenticated forex provider and use it by default

This is in response to currencyconverterapi requiring an API key for the free version

* Fix golinter complaint

* Added additional endpoints, tests and improve config forex logic
This commit is contained in:
Adrian Gallagher
2019-02-20 17:17:27 +11:00
committed by GitHub
parent f5ce8b9aaf
commit 3066f3d027
8 changed files with 388 additions and 50 deletions

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