diff --git a/.gitignore b/.gitignore
index f48931f..ba64415 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,8 @@
 # isotope
 __isotope__
 
+# argon
+argon_modules
+
 movie.mp4
 examples/canvas/canvas.json
\ No newline at end of file
diff --git a/iso-package.json b/argon-package.json
similarity index 100%
rename from iso-package.json
rename to argon-package.json
diff --git a/examples/isotope-server/init.ar b/examples/isotope-server/init.ar
index ea49705..0852a7a 100644
--- a/examples/isotope-server/init.ar
+++ b/examples/isotope-server/init.ar
@@ -1,13 +1,21 @@
 import "../../src" as http
+import "../../src/url" as url
 
 let app = http.server()
 
+let files = {'http.ar': path.join([path.parent(program.file.path), "modules", "http.tar.gz"])}
+
 app.use(http.logger)
 
-let zipfile = path.join([path.parent(program.file.path), "test.zip"])
 
 let download(req, res) = do
+    
+    let zipfile = files[req.query.name]
     res.sendFile(zipfile)
-app.route("/download", null, download)
+app.route("/isotope-download", null, download)
+
+let search(req, res) = do
+    res.json({Name: "http.ar", Version: "1.0.0", URL: "http://localhost:3000/isotope-download?"+url.queryStr({name: "http.ar", version: "1.0.0"})})
+app.route("/isotope-search", null, search)
 
 app.run()
\ No newline at end of file
diff --git a/examples/isotope-server/modules/http.tar.gz b/examples/isotope-server/modules/http.tar.gz
new file mode 100644
index 0000000..4975b22
Binary files /dev/null and b/examples/isotope-server/modules/http.tar.gz differ
diff --git a/examples/isotope-server/test.zip b/examples/isotope-server/test.zip
deleted file mode 100644
index 6dbe678..0000000
Binary files a/examples/isotope-server/test.zip and /dev/null differ
diff --git a/iso-package-lock.json b/iso-lock.json
similarity index 100%
rename from iso-package-lock.json
rename to iso-lock.json
diff --git a/src/init.ar b/src/init.ar
index e8ca98a..7f7024f 100644
--- a/src/init.ar
+++ b/src/init.ar
@@ -4,7 +4,7 @@ import "static" as *
 import "cookie" as *
 
 let server() = do
-    let class = {port: 3000, numThreads: 10, callback: ()=term.log("Server running on port "+class.port)}
+    let class = {port: 3000, numThreads: 1, callback: ()=term.log("Server running on port "+class.port)}
     let threads = []
     let routes = []
     let Socket = null
@@ -13,6 +13,8 @@ let server() = do
         term.error(e.code)
         term.error(e.path+" on line "+e.line)
     class.run() = do
+        if (Socket != null) do
+            throwError("Server already running")
         Socket = socket.server("tcp", class.port)
         for (i from 0 to class.numThreads) do
             t = thread(()=listener.listener(Socket, routes, class.onErr))
diff --git a/src/url.ar b/src/url.ar
index d31e57c..86878cd 100644
--- a/src/url.ar
+++ b/src/url.ar
@@ -40,6 +40,13 @@ let split(url) = do
                 query[decode(queryItem[0])] = decode(queryItem[1])
         return {path: split[0], query: query}
 
+let queryStr(query) = do
+    let queryStr = []
+    let keys = query.keys()
+    for (i from 0 to keys.length) do
+        queryStr.append(encode(keys[i])+"="+encode(query[keys[i]]))
+    return queryStr.join("&")
+
 
 let URL(url) = do
     let protocol = null