Reference tuple from json (#5016)

* Add reference handling to tuples

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

* Remove template template type because pair isn't working

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

* amalgamate std::tie changes

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

* allow the elation of a move by removing the ref requirement

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

* force all number_xxx_t to be interchangeable

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

* Finally got amalgamate to work correctly

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

* remove const version, add a test case for scrambled number representations.

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

* Use the logical set of requirements instead of decltype because VS 2015 doesn't like it

Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>

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Signed-off-by: Evelyn LePain <ava.lepain@gmail.com>