simple code validator
nv-cli-ifif =========== - cli tool - create a simple project ONLY USING if/else WITHIN a top-while-loop
nv-ctx-cflow =============== - nv-ctx-cflow - several very simple small functions to simulate control-flow - for test using in nvlang, normally USELESS - nvlang normally USE graph-syntax to impl WHILE / IF; for backward compatible it provide serveral O