Always return a new instance
Store each type instance per field model
Field assignments have a stream relation
Shorten cache a bit for now, will improve in beta
Fixing values

If the instance exists we still wanna set the entry n shiz
Small changes
New model
Return null if no value
Datetime tweak
Added CacheCollection that allows to flush grouped cache keys
Index query cache keys in the EntryQueryBuilder
Flush cache keys on save() and update()
Plugin fix
Merge branch 'refs/heads/2.3/develop' into 2.3/alpha