0.1.10: Ditch async

Asynchronous programming does not work if your workload is CPU-intensive.
Spawning threads manually provides predictable latency.

0.1.9: Faster hashing

Introducing mid-state caching.

0.1.8: Free memory

Improve memory usage.

0.1.7: Performance update

Added a shared hasher to make hashing with multiple workers faster.
Also, less CPU utilization.

0.1.6

Remove hiatus to make miner recover faster.

0.1.5

Enable assembly support for SHA-1.

0.1.4

Add "overriding auto fetch pool" option.

Fourth release: 0.1.3

Add auto-selecting pools.

Third Release: 0.1.2

Some minor improvements on automation tools.

Second release: 0.1.1

Added logging.