-Version 2.5.1 (2014-04-??)
+Version 2.6.0 (2014-06-18)
- Make options -e/-i to work with multipart messages.
+ Make options -e/-i to work with multipart subparts.
+
+ Add option -I to completely ignore a part - no headers, no body,
+ no warning.
Open all output files in binary mode. Output os.linesep instead of '\n'.