* Array value configurable. 8,16,32..256 bits (not prefixed to 8)
* Test Array256->256
* Remove old 8 bit assumptions
* Add arrayProxy copy constructors and remove old 8 bit assumptions
* remove old 8 bit assumptions
* remove old 8 bit assumptions
* Better ArrayProxy special case handling
* Fix tests
* Review fixes
* review fix
* fix gas variable
* Review fixes
* Fix vm.gas access
* Configure Z3 depending on installed version
* Mocking for subprocess.check_output
* change get_value_fmt to private attribute _get_value_fmt
* Move memoized to utils
* Remove minimal version and simplify
* Re-add invalid versions/sanity checks
* Z3 version format checked on github
* New tests. Version is future proof
* Better logging