Hello,
Im using nodejs v0.8.23-pre (Chimera doesnt work with 0.10.x) on Ubuntu 12.10 x64.
For now everything works except close() method. Even with simple example script like:

var c = new Chimera();
c.perform({
url: "http://www.google.com",
locals: {
},
run: function(callback) {
callback(null, "success");
},
callback: function(err, result) {
console.log(status)
c.close();
}
});

Script doesnt end, and chimera thread is kept till i kill nodejs process.