Add optional boolean `copy` param to Range.fromObject
Add optional boolean `copy` param to Range.fromObject

If `copy` is true, we create a copy of the object if it is already a
range.
whodatninja/text-buffer,mizchi-sandbox/standalone-atom-editor,jacekkopecky/text-buffer,mizchi-sandbox/standalone-atom-editor,atom/text-buffer,atom/text-buffer,pombredanne/text-buffer,pombredanne/text-buffer,jacekkopecky/text-buffer