Implemented return of raw object

Return of raw object is implemented in get function as requested in
issue jaredwray#39.

Ref: jaredwray#39

.gitignore

@@ -5,6 +5,9 @@ test/testdb.sqlite
 #npm5
 package-lock.json
 
+#yarn
+yarn.lock
+
 # Logs
 logs
 *.log

src/index.js

@@ -49,7 +49,7 @@ class Keyv extends EventEmitter {
 		return `${this.opts.namespace}:${key}`;
 	}
 
-	get(key) {
+	get(key, opts) {
 		key = this._getKeyPrefix(key);
 		const store = this.opts.store;
 		return Promise.resolve()
@@ -63,6 +63,9 @@ class Keyv extends EventEmitter {
 					this.delete(key);
 					return undefined;
 				}
+				if (opts && opts.raw) {
+					return data;
+				}
 				return data.value;
 			});
 	}