The commands are:
Add them in your keymap.cson like:
'atom-workspace':# Key bindings for multi-paste'alt-v': 'multi-paste:0-to-X''ctrl-alt-v': 'multi-paste:custom-range'
There was already a Text Pastry package for Atom, but it was implemented on an old Atom version and seemed discontinued. So I started my own.
As multi-paste worked like a charm I wanted to implement the padding option that it is present in the corresponding package of Sublime Text.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.