Oracle enhanced adapter 1.7.7 has been released

[Yasuo Honda]

Hi,

I'm happy to announce that Oracle enhanced adapter 1.7.7 has been released.

Please install and test with your applications by updating your Gemfile as follows.

```

gem "activerecord-oracle_enhanced-adapter", "~> 1.7.0" 

```

* Changes and bug fixes

 * Introduce use_old_oracle_visitor to choose old Oracle visitor [#1049]

 * Fix deprecated warnings in Ruby 2.4.0+ [#1048, #1052]

 * Add Ruby 2.2.5 and JRuby 9.0.5.0 for travis [#1050, #1051]

* Known issues

 * No changes since 1.7.6

For all changes and fixes please read the https://github.com/rsim/oracle-enhanced/blob/master/History.md 

Thanks,

--

Yasuo Honda