Occasional error creating findings.csv in meta directory.

The folder 'meta' is apparently not created in some instances.

Error: [spider] pulling [ http://<<<>>> ]: ['Traceback (most recent call last):', ' File "/opt/rawr/lib/functions.py", line 778, in recurse', " with open(doc_f, 'a+') as ofn:", "IOError: [Errno 2] No such file or directory: '<<<>>>/log_20160114-162325_rawr/artifacts/meta/<<<>>>_findings.csv'"]