-[CHANGED]`ignore` for create was renamed to `ignoreDuplicates`[#6138](https://github.com/sequelize/sequelize/issues/6138)
-[CHANGED]`ignore` for create was renamed to `ignoreDuplicates`[#6138](https://github.com/sequelize/sequelize/issues/6138)
-[FIXED] Index names not quoted properly in `removeIndex`[#5888](https://github.com/sequelize/sequelize/issues/5888)
-[FIXED] Index names not quoted properly in `removeIndex`[#5888](https://github.com/sequelize/sequelize/issues/5888)
-[FIXED]`Int4` range not properly parsed [#5747](https://github.com/sequelize/sequelize/issues/5747)
## BC breaks:
## BC breaks:
- Range type bounds now default to [postgres default](https://www.postgresql.org/docs/9.5/static/rangetypes.html#RANGETYPES-CONSTRUCT)`[)` (inclusive, exclusive), previously was `()` (exclusive, exclusive)
- Range type bounds now default to [postgres default](https://www.postgresql.org/docs/9.5/static/rangetypes.html#RANGETYPES-CONSTRUCT)`[)` (inclusive, exclusive), previously was `()` (exclusive, exclusive)