databento 0.14.0

Release notes

• Added support for reusing a Live client to reconnect
• Added metadata property to Live
• Added DatatbentoLiveProtocol class
• Added support for emitting warnings in API response headers
• Changed iteration of Live to no longer yield DBN metadata
• Changed Live callbacks to no longer yield DBN metadata
• Fixed issue where Historical.timeseries.get_range would write empty files on error
• Fixed issue with numpy types not being handled in symbols field
• Upgraded aiohttp to 3.8.3
• Upgraded numpy to 1.23.5
• Upgraded pandas to 1.5.3
• Upgraded requests to 2.28.1
• Upgraded zstandard to 0.21.0
• Removed 10 minute minimum request time range restriction
• Removed support for Python 3.7