Oracle enhanced adapter 1.6.3 has been released

[Yasuo Honda]

Hi, 

Oracle enhanced adapter 1.6.3 has been released which fixes several issues reported at github.com.

Also I did not send an notification when 1.6.2 was released, then here are changes since 1.6.1.

## 1.6.3 / 2015-08-14

 * Set sequence name automatically when new table name is longer than 26 bytes[#676]

 * Add minimal specs for ActiveRecord::Base.limit() and .order()[#679]

 * Use type_casted_binds [#681]

 * Use type_cast_for_database to serialize correctly [#688]

 * Suppress deprecated message for serialized_attributes [#688, #548, #687]

## 1.6.2 / 2015-07-20

 * Oracle enhanced adapter v1.6 requires ActiveRecord 4.2.1 or higher,

   ActiveRecord 4.2.0 is not supported.[#672]

 * Unique constraints not created when function unique index created [#662, #663]

 * create_table should use default tablespace values for lobs [#668]

Thanks,

--

Yasuo Honda