add rule to do a deep copy of a node
add support for "!=" equals array filtering and change "=" to "=="
fix spec errors
allow delete to remove more than one node. it now returns an array of all the items it deleted if more than one is deleted or the single item if only one item is deleted.
add spec for copy command (backfill)
add modify to Value Node
update readme
formatting changes
rename "==" back to "=" to preserve backwards compatibility
update readme file
Merge pull request #5 from vmw-tmpst/master

Extensions in functionality