Oracle enhanced adapter 1.7.9 has been released

[Yasuo Honda]

Hi,

I'm happy to announce that Oracle enhanced adapter 1.7.9 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

 * Fix ORA-00933 error when executing rails db:schema:load [#1084]

 * Quoting booleans should return a frozen string [#1083]

 * CI against ruby 2.4.0 [#1096, #1086]

* Known issues

 * No changes since 1.7.7

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

Thanks,