v0.20.9

What's Changed

• feat: TaskMapping handle empty iterables the same way as builtins do by @BobTheBuidler in #237
• feat: EmptySequenceError by @BobTheBuidler in #239
• feat: import exceptions module to main by @BobTheBuidler in #238
• chore: partially wrap ProcessingQueue._worker_coro with self.func by @BobTheBuidler in #234
• chore: cleanup task destroyed logs by @BobTheBuidler in #235

Full Changelog: v0.20.8...v0.20.9