Much like `ls`, except that it is designed to crawl up the `.new`
and
`.ref`
environments and display all the objects.
unitizer_ls(name, pos = -1L, envir = parent.frame(), all.names = FALSE,
pattern)
list of object names, or a list with environments containing the objects
This is used in `browseUnitizer,unitizer-unitizerBrowse-method`
,
and is re-assigned to `ls`
for use in the `unitizer`
prompt
environment.