diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2d05b4..a1f99b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Libcurl.js Changelog:
 
+## v0.6.16 (10/2/24):
+- Fix a bug with `Headers` objects and `Request` objects not being properly handled when passed into `libcurl.fetch`
+- Errors thrown are now `Error` or `TypeError` objects instead of plain strings
+
 ## v0.6.15 (9/6/24):
 - WolfSSL has been downgraded to v5.6.6 due to an upstream regression
 
diff --git a/client/fragments/wisp_support.js b/client/fragments/wisp_support.js
index f60c561..aad3fcb 100644
--- a/client/fragments/wisp_support.js
+++ b/client/fragments/wisp_support.js
@@ -9,7 +9,7 @@ try {
     ws = new WebSocket(url);
   }
   else if (typeof api.transport === "string") {
-    throw "invalid transport type";
+    throw new TypeError("invalid transport type");
   }
   else { //custom transports
     ws = new api.transport(url);
diff --git a/client/javascript/http.js b/client/javascript/http.js
index 62ea7cd..fa36f4b 100644
--- a/client/javascript/http.js
+++ b/client/javascript/http.js
@@ -67,13 +67,13 @@ class HTTPSession extends CurlSession {
         }
         if (error > 0) {
           error_msg(`Request "${url}" failed with error code ${error}: ${get_error_str(error)}`);
-          reject(`Request failed with error code ${error}: ${get_error_str(error)}`);
+          reject(new TypeError(`Request failed with error code ${error}: ${get_error_str(error)}`));
         }
         else if (error === -1) {
           reject(new DOMException("The operation was aborted."));
         }
         else if (error === -2) {
-          reject("Request failed because redirects were disallowed.");
+          reject(new TypeError("Request failed because redirects were disallowed."));
         }
         this.remove_request(http_handle);
         http_handle = null;
diff --git a/client/javascript/main.js b/client/javascript/main.js
index b867dba..9af1bb4 100644
--- a/client/javascript/main.js
+++ b/client/javascript/main.js
@@ -139,7 +139,7 @@ api = {
   CurlWebSocket: CurlWebSocket,
   TLSSocket: TLSSocket,
   HTTPSession: HTTPSession,
-  fetch() {throw "not ready"},
+  fetch() {throw new Error("not ready")},
   
   get copyright() {return copyright_notice},
   get version() {return get_version()},
diff --git a/client/javascript/session.js b/client/javascript/session.js
index 6259f79..3d7fce5 100644
--- a/client/javascript/session.js
+++ b/client/javascript/session.js
@@ -24,7 +24,7 @@ class CurlSession {
 
   assert_ready() {
     if (!this.session_ptr) {
-      throw "session has been removed";
+      throw new Error("session has been removed");
     }
   }
 
diff --git a/client/javascript/util.js b/client/javascript/util.js
index 2ee579d..13fced1 100644
--- a/client/javascript/util.js
+++ b/client/javascript/util.js
@@ -70,7 +70,7 @@ function data_to_array(data) {
     return new Uint8Array(data.buffer);
   }
 
-  throw "invalid data type to be sent";
+  throw new TypeError("invalid data type to be sent");
 }
 
 //c function wrapper
diff --git a/client/javascript/ws_polyfill.js b/client/javascript/ws_polyfill.js
index 2f79795..a9b8b0c 100644
--- a/client/javascript/ws_polyfill.js
+++ b/client/javascript/ws_polyfill.js
@@ -62,7 +62,7 @@ class FakeWebSocket extends EventTarget {
           converted = data.buffer;
         }
         else {
-          throw "invalid binaryType string";
+          throw new TypeError("invalid binaryType string");
         }
       }
 
diff --git a/client/package.json b/client/package.json
index 1238adf..064001a 100644
--- a/client/package.json
+++ b/client/package.json
@@ -1,15 +1,12 @@
 {
   "name": "libcurl.js",
-  "version": "0.6.15",
-  "description": "An experimental port of libcurl to WebAssembly for use in the browser.",
+  "version": "0.6.16",
+  "description": "A port of libcurl to WebAssembly, for proxying HTTPS requests from the browser with full TLS encryption",
   "main": "libcurl.mjs",
   "exports": {
     ".": "./libcurl.mjs",
     "./bundled": "./libcurl_full.mjs"
   },
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/ading2210/libcurl.js.git"
diff --git a/client/tests/run.sh b/client/tests/run.sh
index cacfa51..e456682 100755
--- a/client/tests/run.sh
+++ b/client/tests/run.sh
@@ -4,7 +4,7 @@ set -e
 
 trap "exit" INT TERM
 trap "kill 0" EXIT
-../server/run.sh --static=$(pwd) >/dev/null &
+../server/run.sh --static=$(pwd) --log-level=WARN >/dev/null &
 
 echo -n "waiting for wisp server to start"
 i=0
diff --git a/server/run.sh b/server/run.sh
index aa59930..519388d 100755
--- a/server/run.sh
+++ b/server/run.sh
@@ -13,7 +13,7 @@ if [ ! -d "$SERVER_PATH.venv" ]; then
 fi
 source $SERVER_PATH/.venv/bin/activate
 
-if ! python3 -c "import websockets, asyncudp" 2> /dev/null; then
+if ! python3 -c "import websockets, asyncudp, uvloop" 2> /dev/null; then
   pip3 install -e $SERVER_PATH
 fi
 
diff --git a/server/wisp_server b/server/wisp_server
index b7cfab0..78f872c 160000
--- a/server/wisp_server
+++ b/server/wisp_server
@@ -1 +1 @@
-Subproject commit b7cfab072b04dbd4345aedaf5e47c9e0d57ab873
+Subproject commit 78f872c8e5b180e26ec09cc126e841e12ac75c36