fix swift version (marksands#27)

Co-authored-by: Aaron Bonham <aaron.bonham@sbs.com.au>

Test cases for LosslessValue Bool Int value (marksands#28)

* Test cases for LosslessValue Bool Int value

* DefaultFalse solution

* Add DefaultTrue case

* Add small comment

* Intercept boolean numbers in LosslessValue

* Clean up LosslessValue test cases

* Add documentation to BoolCodableStrategy decoding

* Remove comment

* Fix incorrect documentation

* Add String misalignment test case

* Add test cases for DefaultTrue

* Change DefaultFalse and DefaultTrue test names

* Add invalid value test case for DefaultFalse

* Add LosslessValue test for Bool edge case

Co-authored-by: Mark Sands <mark.sands@disneystreaming.com>

Merge pull request marksands#17 from serjooo/master

Add support to DefaultCodable to default when key is not available