Revert "Remove process.unloop()"

People need this for backwards compatibility. Will be removed soon though!

This reverts commit 1e710ca.

src/node.cc

@@ -424,6 +424,19 @@ static Handle<Value> Loop(const Arguments& args) {
   return Undefined();
 }
 
+static Handle<Value> Unloop(const Arguments& args) {
+  HandleScope scope;
+  int how = EVUNLOOP_ONE;
+  if (args[0]->IsString()) {
+    String::Utf8Value how_s(args[0]->ToString());
+    if (0 == strcmp(*how_s, "all")) {
+      how = EVUNLOOP_ALL;
+    }
+  }
+  ev_unloop(EV_DEFAULT_ how);
+  return Undefined();
+}
+
 static Handle<Value> Chdir(const Arguments& args) {
   HandleScope scope;
 
@@ -1036,6 +1049,7 @@ static void Load(int argc, char *argv[]) {
 
   // define various internal methods
   NODE_SET_METHOD(process, "loop", Loop);
+  NODE_SET_METHOD(process, "unloop", Unloop);
   NODE_SET_METHOD(process, "compile", Compile);
   NODE_SET_METHOD(process, "_byteLength", ByteLength);
   NODE_SET_METHOD(process, "reallyExit", Exit);