Seems working fine for me! :)
Champagne!

The Manual button is tricky for have possibility (or not) to have the 0 distance (or numeric more or less) !

With a touch of native Align!


Of course a new Align Bottom on Front view will be necessary for align bottom the sphere!

French version tomorrow! ;)

PS Now a factor or something else for have a ruled distribution...will be a task!with

Here French Version ( with the error message when you select less than 3 objects! ;)
Will be named Distribution
http://moiscript.weebly.com/distributions.html