Add missing package to the CI build plan
Adding release checksum.
Added tag v0.3.0 for changeset 529f1d411a95
Bump the minor version, update history
Adding cztop instrumentation
Update for Ruby 2.7.
Guard against blockless observe calls
Add a provisional fix for arity-0 methods
Remove leftover hoe instructions from README
Add a universal context id to each event
Pull up default port settings into a constant
Add `requires` to instrumentation, add a PG instrument
Remove extra brackets from the README.
Make the callable event field spec more flexible.
Make the duration spec more lenient
Adding release checksum.