index full text not slug for message
better recipients management, and exclude parts in other part at this time
don't forget to create ThreadLookup, and handle charset a bit for json
parse a mbox or a directory with 'eml' files
setup.py can't install from git url, but we need these repositories
_extract_recipients in a specific method. resolve what will be used as external_id
extract headers, group values in list for all headers name
a simple UserMessage container
decode all payloads having text to make a .text property
use of UserMessage in Thread, Message and MailIndexMessage
created user is core. add parts to UserMessage
contact is core one
decode if charset not utf-8 to encode in utf-8
UserMessage with list of stored parts
missing properties to create correctly message
only contact.id in index, ContactLookup not serializable
thread lookup only when external_id exist