Try to address the famous dateutil parser crash.

http://dev.1flow.net/1flow/1flow/group/30087/ (20K to date)
http://dev.1flow.net/1flow/1flow/group/30177/ (18K to date)
http://dev.1flow.net/1flow/1flow/group/30221/ (4.7K to date)
version bump for 0.29.0.5.
Merge branch 'release/0.29.0.5' into develop