Ballchaser

What's Changed
* Check parameter values by tom-boyes-park in https://github.com/tom-boyes-park/ballchaser/pull/29


**Full Changelog**: https://github.com/tom-boyes-park/ballchaser/compare/v0.7.0...v0.8.0

What's Changed
* General updates by tom-boyes-park in https://github.com/tom-boyes-park/ballchaser/pull/25
* Backoff by tom-boyes-park in https://github.com/tom-boyes-park/ballchaser/pull/27
* bump 0.7.0 by tom-boyes-park in https://github.com/tom-boyes-park/ballchaser/pull/28


**Full Changelog**: https://github.com/tom-boyes-park/ballchaser/compare/v0.6.0...v0.7.0

**Full Changelog**: https://github.com/tom-boyes-park/ballchaser/compare/v0.5.0...v0.6.0

**Full Changelog**: https://github.com/tom-boyes-park/ballchaser/compare/v0.4.1...v0.5.0

**Full Changelog**: https://github.com/tom-boyes-park/ballchaser/compare/v0.4.0...v0.4.1

**Full Changelog**: https://github.com/tom-boyes-park/ballchaser/compare/v0.3.0...v0.4.0