make_std_pephylo: Write PEPHYLO standard deviation input
In rscherrer/bop:

This function saves the standard deviations of the means required for running PEPHYLO

1	make_std_pephylo(errors, nrows, outpath, whatSex)

`errors`	A vector of standard deviations (errors on the means) for each dependent variable. The errors can be calculated with `bootrstrap_error`.
`nrows`	An integer. The number of rows of the input table.
`outpath`	A string. The path to the folder where the output file is to be saved.
`whatSex`	A logical vector. The indices of the observations that are of the sex of interest.