jsonnet-exec

A nodejs child_process.exec and child_process.execSync wrapper for jsonnet cmdline tool

``javascript
var jsonnetExec = require('jsonnet-exec');

jsonnetExec.exec("/path/to/file.jsonnet", function(error, stdout, stderror) {
if (!error) {
console.log(stdout);
}
});

var stdout = jsonnetExec.execSync("-e '{ x: 1 , y: self.x + 1 } { x: 10 }'");
console.log stdout.toString();
``