Merge pull request #147 from beda42/fix_deep_copy
authorDan Vanderkam <danvdk@gmail.com>
Fri, 11 May 2012 18:31:18 +0000 (11:31 -0700)
committerDan Vanderkam <danvdk@gmail.com>
Fri, 11 May 2012 18:31:18 +0000 (11:31 -0700)
null should be converted into {} in deepcopy


Trivial merge