v0.55.0

• [TeamMsgExtractor #465] Added missing msg.close() to openMsg(). If the MSG file was actually just a plain OLE file, it would be left open.
• Adjusted the default value of maxNameLength for MessageBase.save() to 40 instead of 256.
• Adjusted exception handling for MessageBase.save() to properly report the reason a folder fails to be created.
• Simplified some of the code for MessageBase.save().
• Fixed some typing information.