Fixing auth flow for parentClient #52

diff --git a/node_modules/classcharts-api/esm/src/core/parentClient.js b/node_modules/classcharts-api/esm/src/core/parentClient.js
index 2aa47e0..4fff4c0 100644
--- a/node_modules/classcharts-api/esm/src/core/parentClient.js
+++ b/node_modules/classcharts-api/esm/src/core/parentClient.js
@@ -71,7 +71,9 @@ export class ParentClient extends BaseClient {
             throw new Error("Unauthenticated: ClassCharts didn't return authentication cookies");
         }
         const cookies = String(response.headers.get("set-cookie"));
-        this.authCookies = cookies.split(";");
+        this.authCookies = response.headers
+            .getSetCookie()
+            .map(cookie => cookie.split(";")[0]);
         const sessionCookies = parseCookies(cookies);
         const sessionID = JSON.parse(String(sessionCookies.parent_session_credentials));
         this.sessionId = sessionID.session_id;
diff --git a/node_modules/classcharts-api/script/src/core/parentClient.js b/node_modules/classcharts-api/script/src/core/parentClient.js
index 9201c6d..54f9b4d 100644
--- a/node_modules/classcharts-api/script/src/core/parentClient.js
+++ b/node_modules/classcharts-api/script/src/core/parentClient.js
@@ -74,7 +74,9 @@ class ParentClient extends baseClient_js_1.BaseClient {
             throw new Error("Unauthenticated: ClassCharts didn't return authentication cookies");
         }
         const cookies = String(response.headers.get("set-cookie"));
-        this.authCookies = cookies.split(";");
+        this.authCookies = response.headers
+            .getSetCookie()
+            .map(cookie => cookie.split(";")[0]);
         const sessionCookies = (0, utils_js_1.parseCookies)(cookies);
         const sessionID = JSON.parse(String(sessionCookies.parent_session_credentials));
         this.sessionId = sessionID.session_id;