Feature: Enable PDO destination transactions by default

[dextermb]

• Add disableTransactions method
• Return instance from ignoreIntegrityConstraintViolations method

[coveralls]

Pull Request Test Coverage Report for Build 112

• 4 of 7 (57.14%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.2%) to 96.903%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/Objects/Destinations/PDODestination.php	4	7	57.14%
<!--	Total:	4	7	57.14%	-->

Totals
Change from base Build 107:	-0.2%
Covered Lines:	751
Relevant Lines:	775

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💛 - Coveralls

[DivineOmega]

Thanks for this.

If you could fix the code coverage decrease, I'll get this merged in.

[DivineOmega]

Will deal with code coverage later.