AlexCatarino dfffbd6953 Adds IFutureChainProvider interface with base implementations ...

- Move BacktestingFutureChainProvider provider to Lean.Engine.DataFeeds along with its options equivalent.

- EmptyFutureChainProvider: provider that returns an empty list of symbols
- CachingFutureChainProvider: implements caching by date
- BacktestingFutureChainProvider: provider that gets chain from local files
- LiveFutureChainProvider: provider that gets chain from external source (empty list of symbols for now)

2017-12-04 14:16:59 +00:00

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Wrappers

Adds IFutureChainProvider interface with base implementations

2017-12-04 14:16:59 +00:00