Quantstats-lumi

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- Misc bug fixes and code improvements

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- Fixed ``conditional_value_at_risk()``
- Fixed ``%matplotlib inline`` issue notebooks

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- Added mtd/qtd/ytd methods for panda (usage: ``df.mtd()``)
- Fixed Pandas deprecation warning
- Fixed Matplotlib deprecation warning
- Try setting ``%matplotlib inline`` automatic in notebooks

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- Fixed profit Factor formula

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- Misc bug fixes

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- Fixed chart EOY chart's ``xticks`` when charting data with 10+ years
- Fixed issue where daily return >= 100%
- Fixed Snapshot plot
- Removed duplicaated code
- Added conda installer
- Misc code refactoring and optimizations