Enhancements

• Improved reporting of instrumentation problems with verifyInstrumentation (#238, #255)
• Interrupting FiberAsync.runBlocking interrupts the thread executing the operation (#245)
• Java agent can be configured to exclude packages from instrumentation in order to improve startup time (#243)
• ExitMessages received from actors after they've been unlinked/unwatched will be ignored (#163)

Bug Fixes

Various small fixes.