Added aliases support to util.sanitize_identifier_fn
Added aliases support to util.sanitize_identifier_fn

ioam/holoviews,ioam/holoviews,basnijholt/holoviews,basnijholt/holoviews,vascotenner/holoviews,basnijholt/holoviews,ioam/holoviews,vascotenner/holoviews,vascotenner/holoviews