Pygt3x

When reading a file with Idle Sleep Mode (ISM) enabled, the reader now reports whether each row of accelerometer data was collected in ISM.

What's Changed
* Fix typo by rouzbeh in https://github.com/actigraph/pygt3x/pull/44


**Full Changelog**: https://github.com/actigraph/pygt3x/compare/v0.6.0...v0.6.1

What's Changed
* Records with bad checksums are now ignored instead of raising an error
* Duplicate accelerometer records are now deduplicated
* Improved logging


**Full Changelog**: https://github.com/actigraph/pygt3x/compare/v0.5.2...v0.6.0

What's Changed
* Fix bug reading nhanes files by rouzbeh in https://github.com/actigraph/pygt3x/pull/39
* return sub-second timestamps by rouzbeh in https://github.com/actigraph/pygt3x/pull/39

**Full Changelog**: https://github.com/actigraph/pygt3x/compare/v0.5.1...v0.5.2

What's Changed
* Fix hard-coded sample rate by rouzbeh in https://github.com/actigraph/pygt3x/pull/33


**Full Changelog**: https://github.com/actigraph/pygt3x/compare/v0.5.0...v0.5.1

This release breaks the existing API to remove the need for a separate CalibratedReader.

What's Changed
* Refactor to remove CalibratedReader by rouzbeh in https://github.com/actigraph/pygt3x/pull/32


**Full Changelog**: https://github.com/actigraph/pygt3x/compare/v0.4.2...v0.5.0