tweak signal handling for more flexibility, document
add return value to cleanChildren indicating if a child exited
factor out pcntl_wait
fix typo in comment
prepare SIGTRAP hook for debugger
introduce concept of worker type
worker processes changed, update comments
add beforeWork hook
set process title if the function exists to do so
fix autoload path in example
fix startup with named worker types, reorder logging
remove ambiguous worker manager logic
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Breaking change to interface: config-based worker setup