Make require() from the repl be relative to cwd

lib/repl.js

@@ -17,11 +17,18 @@ var evalcx = process.binding('evals').Script.runInNewContext;
 var path = require("path");
 var scope;
 
+function cwdRequire (id) {
+  if (id.match(/^\.\.\//) || id.match(/^\.\//)) {
+    id = path.join(process.cwd(), id);
+  }
+  return require(id);
+}
+
 function setScope (self) {
   scope = {};
   for (var i in global) scope[i] = global[i];
   scope.module = module;
-  scope.require = require;
+  scope.require = cwdRequire;
 }