Added

• Added cargo feature wizard, enabled by default.
• Added one cargo feature per backend feature:
  • account including account-configure, account-list, account-sync and the account-subcmd
  • folder including folder-add, folder-list, folder-expunge, folder-purge, folder-delete and the folder-subcmd
  • envelope including envelope-list, envelope-watch, envelope-get and the envelope-subcmd
  • flag including flag-add, flag-set, flag-remove and the flag-subcmd
  • message including message-read, message-write, message-mailto, message-reply, message-forward, message-copy, message-move, message-delete, message-save, message-send and the message-subcmd
  • attachment including attachment-download and the attachment-subcmd
  • template including template-write, template-reply, template-forward, template-save, template-send and the template-subcmd
• Added wizard capability to autodetect IMAP and SMTP configurations, based on the Thunderbird Autoconfiguration standard.
• Added back Notmuch backend features.

Changed

• Renamed folder create to folder add in order to better match types. An alias has been set up, so both create and add still work.

Fixed

• Fixed default command: running himalaya without argument lists envelopes, as it used to be in previous versions.
• Fixed bug when listing envelopes with backend = "imap", sync.enable = true and envelope.watch.backend = "imap" led to unwanted IMAP connection creation (which slowed down the listing).
• Fixed builds related to enabled cargo features.