Pg-chameleon

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* **EXPERIMENTAL** support for Point datatype - jovankricka-everon
* Add ``keep_existing_schema`` in MySQL source type to keep the existing scema in place instead of rebuilding it from the mysql source
* Change tabs to spaces in code

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* Fixes for issue 96 thanks to daniel-qcode
* Change for configuration and SQL files location
* Package can build now as source and wheel
* The minimum python requirements now is 3.5

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* Fix wrong formatting for yaml example files. rebtoor
* Make start_replica run in foreground when log_file == stdout . clifff
* Travis seems to break down constantly, Disable the CI until a fix is found. Evaluate to use a different CI.
* Add the add loader to yaml.load as required by the new PyYAML version.

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* Fix regression in new replay function with PostgreSQL 10
* Convert to string the dictionary entries pulled from a json field
* Let ``enable_replica`` to disable any leftover maintenance flag
* Add capture in CHANGE for tables in the form schema.table

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* Fix wrong check for the next auto maintenance run if the maintenance wasn't run before
* Improve the replay function's speed
* Remove blocking from the GTID operational mode

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* Add support for skip events as requested in issue 76. Is now possible to skip events (insert,delete,update) for single tables or for entire schemas.
* **EXPERIMENTAL** support for the GTID. When configured on MySQL or Percona server pg_chameleon will use the GTID to auto position the replica stream. Mariadb is not supported by this change.
* ALTER TABLE RENAME is now correctly parsed and executed
* Add horrible hack to ALTER TABLE MODIFY. Previously modify with default values would parse wrongly and fail when translating to PostgreSQL dialect
* Disable erroring the source when running with ``--debug`` switch enabled
* Add cleanup for logged events when refreshing schema and syncing tables. previously spurious logged events could lead to primary key violations when syncing single tables or refreshing single schemas.