Yfinance

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Restore missing Ticker.info keys 1480

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Fix Ticker.info dict by fetching from API 1461

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Price bug fixes:
- fetch big-interval with Capital Gains 1455
- merging dividends & splits with prices 1452

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Disable annoying 'backup decrypt' msg

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Fix history_metadata accesses for unusual symbols 1411

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General
- allow using sqlite3 < 3.8.2 1380
- add another backup decrypt option 1379
Prices
- restore original download() timezone handling 1385
- fix & improve price repair 1289 2a2928b 86d6acc
- drop intraday intervals if in post-market but prepost=False 1311
Info
- fast_info improvements:
- add camelCase keys, add dict functions values() & items() 1368
- fix fast_info["previousClose"] 1383
- catch TypeError Exception 1397