self check, check when setting strict
.ackrc file
described only flag for _update()
add described_only option to update, fix bug in __contains__
added default keyword to _describe
fix bug in _branch() method where value is not passed recursively
fix regression introduced by previous commit
fix bug in __iter__
remove debug print
_deepcopy(), default in describe
children only keys/values/items + rename
Merge branch 'develop'
1.0 version
Merge branch 'develop'