Agcounts

This release brings a new low pass filter and down-sampling algorithm to agcounts. The new algorithm will change counts! Its use is optional and disabled by default.

What's Changed
* Man/interpolate by rouzbeh in https://github.com/actigraph/agcounts/pull/18


**Full Changelog**: https://github.com/actigraph/agcounts/compare/v0.1.7...v0.2.0

**Full Changelog**: https://github.com/actigraph/agcounts/compare/v0.1.4...v0.1.5

What's Changed
* Show how to get time by muschellij2 in https://github.com/actigraph/agcounts/pull/8
* trying just using roll by muschellij2 in https://github.com/actigraph/agcounts/pull/9
* Man/pow2 by rouzbeh in https://github.com/actigraph/agcounts/pull/11


**Full Changelog**: https://github.com/actigraph/agcounts/compare/v0.1.3...v0.1.4

**Full Changelog**: https://github.com/actigraph/agcounts/compare/v0.1.1...v0.1.2