Merge tag 'v0.1.21' into develop

Fixing broken release (missing test file)
Added @Autocomplete plugin

- It creates a hidden property __index_autocomplete and indexes it (to save all the ngrams)
- It listen for queries with $autoincrement => 'text' and transform it
@Autocomplete: fixed searches

Added case insensitive searches
bump version
Merge branch 'release/v0.1.22'