cpx build compiles and loads and works in repl; test suite not run yet esp8266 not tested yet
also initializes in the same way where it takes from a true random source when available through os.urandom(). After initializing, it produces deterministic results until the seed is set. This replaces urandom! Fixes #139.
os is a subset of CPython's os. storage contains additional file system mounting functionality based on UNIX's mount management. Fixes #140