RELEASE endurance tests should run offset from unstable

Merge branch 'unstable' into RELEASE_5

Fix CLANG build break

Bug Fix Release

Bump version

Bump version

Fix potential race in pubsub

Disable multithreaded KEYS due to bugs

bump version

Update 5.0.1 to include a workaround for modules which fail to acquir…

…e the module lock when freeing contexts