* Start adding account emoji
* get emojis serialized + deserialized nicely
* update tests
* set / retrieve emojis on accounts
* show account emojis in web view
* fetch emojis from db based on ids
* fix typo in test
* lint
* fix pg migration
* update tests
* update emoji checking logic
* update comment
* clarify comments + add some spacing
* tidy up loops a lil (thanks kim)
