add report on bugs in sync.readme
Export: Work on basic emails
Export: Start factoring out output format

- Inbox is exposed
- Starred messages are exposed
- Folder names are escaped properly
- Chats are exported
- Progress messages are printed
Export: Add mbox support
Export: Fixup TODO, log messages
refactor GIMAPFetcher to support localized Chats folders
handle chat localisation
Reconnect to the current folder
add russian chats and support for unicode strings in conf
add support for load utf-8 string from conf for all chats
integrate bcoorley typo fix in this branch
test batch fetching from Vasi
add batch fetching for emails
Starting to add BatchFetcher
experimentation with a fetcher
get back to previous working version before to branch
add IMAPBatchFetcher to improve performances
first v of modified sync_emails
updating new_sync_emails
intermediate version with issues