Phantom-core

What's Changed
* Enhance Polygon WebSocket client and add conversion function for equi… by alineberry in https://github.com/PhantomResearch/phantom-core/pull/18


**Full Changelog**: https://github.com/PhantomResearch/phantom-core/compare/v0.0.17...v0.0.18

What's Changed
* Bump package version to 0.0.17 and enhance timezone validation in OHL… by alineberry in https://github.com/PhantomResearch/phantom-core/pull/17


**Full Changelog**: https://github.com/PhantomResearch/phantom-core/compare/v0.0.16...v0.0.17

What's Changed
* Btest 21 generic ohlcv pulling by alineberry in https://github.com/PhantomResearch/phantom-core/pull/16


**Full Changelog**: https://github.com/PhantomResearch/phantom-core/compare/v0.0.15...v0.0.16

What's Changed
* Refactor package dependencies and remove MarketDataFrame references by alineberry in https://github.com/PhantomResearch/phantom-core/pull/15


**Full Changelog**: https://github.com/PhantomResearch/phantom-core/compare/v0.0.14...v0.0.15

What's Changed
* Enhance OHLCVAgg with new methods and testing utilities by alineberry in https://github.com/PhantomResearch/phantom-core/pull/14


**Full Changelog**: https://github.com/PhantomResearch/phantom-core/compare/v0.0.13...v0.0.14

What's Changed
* Add SECOND timeframe and improve OHLCVAggSpec validation by alineberry in https://github.com/PhantomResearch/phantom-core/pull/13


**Full Changelog**: https://github.com/PhantomResearch/phantom-core/compare/v0.0.12...v0.0.13