Tagging 3.3.2

Equivalent of session_replication_role=local

Two new functions control if DML messages are sent or not.

   * spock.pause_replication()
   * spock.resume_replication()

We need to decide what to do with DDL and if/how we can
prevent an unprivileged user from injecting this type of
message into the WAL stream.

Bump Spock versino to 4.0 for development

bump to spock33

add snowflake schema to exclude list during structure sync.

Fix small syntax error

Merge remote-tracking branch 'origin/auto_ddl' into merge_auto_ddl

unsafe warning for 'CREATE TABLE AS' statement

Added warning/info message.

Fixed make check.

- Disabled following tests:
  extended add_table functions row_filter row_filter_sampling
  column_filter
- Adjusted test to create sub with 'synchronize_data := true'.
- Adjusted some expected output as needed.