kmike/DAWG — pull request #10 by IMDagger (2013-05-25 00:18:46+00:00)
Title: Fix for checking key causes SEGFAULT after trying to load non-existing file

It doesn't look right if stream with wrong state is passed into the core DAWG library. It causes situation:
d = IntDAWG()
try:
d.load('some_wrong_path') # load optional tree
except:
ignore errors, make logging or another stuff

if 'any_key' in d: # it will be core dumped here
...