5.0.1

Improvements

• Minor improvements on Python API and tests #1802
• Rename --workers argument to --concurrency #1823

Bug fixes

• Don't raise an exception when chunk rebuild has worked #1808
• Allow not to have a zookeeper to check meta0 #1811
• oio-crawler-integrity: report missing chunk positions #1830
• Event: Do not create _RDIR account on reference operations #1831
• Fix the error message indicating the need for a zk bootstrap #1850
• + all bug fixes from 4.6.0