Added ability to pass options to a query

index.js

@@ -9,8 +9,19 @@ Client.prototype.query = function(input, cb) {
   if(!this.appKey) {
     return cb("Application key not set", null)
   }
+  var options;
+  var search;
+  if(typeof(input) === 'object') {
+    // If an ojbect is passed, look for search string and options
+    search  = input.search;
+    options = input.options;
+  } else {
+    // If it's not an object, assume it's the search string
+    search = input;
+    options = "";
+  }
 
-  var uri = 'http://api.wolframalpha.com/v2/query?input=' + encodeURIComponent(input) + '&primary=true&appid=' + this.appKey
+  var uri = 'http://api.wolframalpha.com/v2/query?input=' + encodeURIComponent(search) + '&primary=true&appid=' + this.appKey + options;
 
   request(uri, function(error, response, body) {
     if(!error && response.statusCode == 200) {

test/option-test.js

@@ -0,0 +1,23 @@
+#!/usr/bin/env node
+
+console.log(process.env.WOLFRAM_APPID);
+
+var wolfram = require('./node-wolfram').createClient(process.env.WOLFRAM_APPID)
+
+wolfram.query({search: "words containing msdoep", 
+  options:
+    "&podstate=WordsMadeWithOnlyLetters__Show+all" +
+    "&podstate=WordsMadeWithOnlyLetters__Disallow+repetition" +
+    "&includepodid=WordsMadeWithOnlyLetters"}, 
+    function(err, result) {
+	if(err) throw err
+	console.log("Size: %d", result.length);
+	console.log("Result: %j", result[0].subpods[0].value);
+})
+
+wolfram.query("words containing abcdefg", 
+    function(err, result) {
+	if(err) throw err
+	console.log("Size: %d", result.length);
+	console.log("Result: %j", result);
+})