Description

Summary of the change:
Add ability to pass custom sequence to auto-increment column.

Detailed description:

• What:
  Added autoIncrement overload function that accepts a sequence of type org.jetbrains.exposed.sql.Sequence.
• Why:
  I noticed that it even though it was possible to create a custom sequence using SchemaUtils.createSequence(mySequence) and manually call mySequence.nextIntVal() or mySequence.nextLongVal() when inserting, it was not possible to simply pass it to an auto-increment column to use internally.
• How:
  A secondary constructor was added to AutoIncColumnType to pass it the custom sequence. A sequence field was also added to AutoIncColumnType and this field is now used instead of autoincSeq in SchemaUtils.kt where it was used to create/drop a sequence.

Type of Change

Please mark the relevant options with an "X":

• Bug fix
• New feature
• Documentation update

Updates/remove existing public API methods:

• Is breaking change

Affected databases:

• MariaDB
• Mysql5
• Mysql8
• Oracle
• Postgres
• SqlServer
• H2
• SQLite

Checklist

• Unit tests are in place
• The build is green (including the Detekt check)
• All public methods affected by my PR has up to date API docs
• Documentation for my change is up to date

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