Simpler chat modifications

package.json

@@ -8,7 +8,6 @@
   "keywords": [
     "whatsapp",
     "js-whatsapp",
-    "reverse engineer",
     "whatsapp-api",
     "whatsapp-web",
     "whatsapp",
@@ -33,22 +32,22 @@
   "dependencies": {
     "@adiwajshing/keyed-db": "^0.1.2",
     "curve25519-js": "0.0.4",
-    "futoin-hkdf": "^1.3.2",
-    "jimp": "^0.14.0",
+    "futoin-hkdf": "1.3.2",
+    "jimp": "0.14.0",
     "node-fetch": "^2.6.0",
-    "protobufjs": "^6.10.1",
+    "protobufjs": "6.10.1",
     "qrcode-terminal": "^0.12.0",
     "ws": "^7.3.1"
   },
   "devDependencies": {
-    "@types/mocha": "^7.0.2",
-    "@types/node": "^14.0.27",
+    "@types/mocha": "7.0.2",
+    "@types/node": "14.0.27",
     "@types/ws": "^7.2.6",
     "assert": "^2.0.0",
     "dotenv": "^8.2.0",
     "mocha": "^8.1.1",
     "ts-node-dev": "^1.0.0-pre.57",
-    "typedoc": "^0.18.0",
-    "typescript": "^3.9.7"
+    "typedoc": "0.18.0",
+    "typescript": "3.9.7"
   }
 }