Histogram constructor now support collections of tuples as input
Histogram constructor now support collections of tuples as input

This style matches the constructor of Points and Curve

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