* Added support for arbitrary data types rather than just strings
* Added support for integer index-able arrays
* Improve code coverage for kunstruct
- kunstruct around 90%
- helper at 100%
* Update expansion.Expand method to preserve the original type of the variable
* Ensure the int field such .spec.replicas can be used
as a source in a first Deployment or as destination of a variable (in the
second Deployment variable).