Kenneth-KT

Add Rails 5 support

2

This PR adds Rails 5.0 support to the `activerecord-delay_touching` gem. This PR does not break Rails 4.0 compatibility. Rspec has passed against both latest Rails version 5.2.1 and 4.2.9. One...

add indexAllSubstrings option for setting whether to index all substrings in each keyword (default true for backward compatibility)

upgrade Objective-LevelDB dependency to latest version (2.1.5)