Changelog

Following efforts towards merge between Github and CRAN versions.
Renamed read_stages_compumedics function to read_events_compumedics.
Added read_events_profusion function to read annotations from NSRR.
Added xml2 package to dependencies.
Added tst90 function.
hypnogram function can now take hypnodensity to convert to hypnogram and plot it if asked with the plot parameter.
Added transitions function to compute matrices of stages transitions.

This release adds a few functions already available in the devel version on Github.

epochs function can take a single vector containing a single signal. resample default to the max of the sample rates.
Added padding parameter to epochs function. Pads epochs with previous and next epochs of the record.
bands_power renamed to bands_psd.
bands_psd does not normalize by band size anymore.
In bands_psd, broadband argument renamed to normalize. Can be set up to FALSE.
Spectral analysis & File management vignettes.
Write function write_mdf & write_channel use platform endian by default to write binary files.
Added automatic sleep staging functions and vignette.
Added read_stages_compumedics() and write_hypnogram_compumedics() functions.
Removed examples example_ecg_200hz and example_hypnogram_30s.
Added smooth_hypnogram() and smooth_liang2012()

rsleep 1.0.62022-12-22