search_api_db 7.x-1.4

This is release 1.4 of the Search API Database Search module.

Complete list of changes since release 1.3:

• #2318865 by drunken monkey: Fixed error when Mbstring extension is not available.
• #2231453 by Johnny vd Laar, valderama: Fixed case sensitivity of autocomplete suggestions.
• #2305107 by drunken monkey: Fixed standards-compliance of the generated SQL queries.
• #2286329 by drunken monkey: Fixed incorrect facet counts for multi-word search.
• #2237829 by drunken monkey: Added a hook and methods for more specific altering of searches.
• #2265353 by drunken monkey: Removed uses of _search_api_settings_equals().