Added documentation, typo fixes, and improved support for rdoc.
+Unicode, iterator, PEP8 changes for python bindings
+
+ - PEP8 (code formatting) changes for python files.
+ - Remove Tags.__len__ ; see 0.6 release notes for motivation.
+ - Decode headers as UTF8, encode (unicode) database paths as UTF8.
+
Notmuch 0.7 (2011-08-01)
========================