See issue #90
* Add pytest testing
* Implemented new_runtime
* Implement parse_module()
* Implemented load() and find_function()
* Implement call_argv()
* Expose function properties
* Expose module name
* Implement get_result_from_stack()
* Move python tests under platform
* Add a test for fib64'
* Implemented get_memory()
* Implemented Runtime.print_info()
* Make m3.Function callable
* fix tests
* add a test with a two-argument function
Alexander Belopolsky