Wrap up connection + in memory store

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@adiwajshing/baileys",
-  "version": "3.5.1",
+  "version": "4.0.0",
   "description": "WhatsApp Web API",
   "homepage": "https://github.com/adiwajshing/Baileys",
   "main": "lib/index.js",
@@ -33,6 +33,7 @@
   },
   "dependencies": {
     "@adiwajshing/keyed-db": "^0.2.2",
+    "@hapi/boom": "^9.1.3",
     "curve25519-js": "^0.0.4",
     "futoin-hkdf": "^1.3.2",
     "got": "^11.8.1",
@@ -42,23 +43,25 @@
     "pino": "^6.7.0",
     "pino-pretty": "^4.3.0",
     "protobufjs": "^6.10.1",
-    "qrcode-terminal": "^0.12.0",
     "ws": "^7.3.1"
   },
+  "optionalDependencies": {
+    "qrcode-terminal": "^0.12.0"
+  },
   "files": [
     "lib/*",
     "WAMessage/*"
   ],
   "devDependencies": {
     "@types/got": "^9.6.11",
-    "@types/mocha": "^7.0.2",
+    "@types/jest": "^26.0.24",
     "@types/node": "^14.6.2",
     "@types/pino": "^6.3.2",
     "@types/ws": "^7.2.6",
-    "assert": "^2.0.0",
-    "dotenv": "^8.2.0",
-    "mocha": "^8.1.3",
-    "ts-node-dev": "^1.0.0",
+    "jest": "^27.0.6",
+    "qrcode-terminal": "^0.12.0",
+    "ts-jest": "^27.0.3",
+    "ts-node": "^10.0.0",
     "typedoc": "^0.20.0-beta.27",
     "typescript": "^4.0.0"
   }