Added support for multiple subscriptions in channels "QUOTES" and "TR…

…ADES"

Applied fixes for build issues

Added .vs (Visual Studio meta folder) to .gitignore

Added .vs (Visual Studio meta folder) to .gitignore and removed folder from repo.

.gitignore

@@ -63,3 +63,6 @@ old/
 
 # dist folder only deployed on npm
 dist/
+
+#Visual Studio
+.vs/

lib/index.js

@@ -360,12 +360,24 @@ class Avanza extends EventEmitter {
   _socketSubscribe(subscriptionString) {
     this._socketSubscriptions[subscriptionString] = null
     if (this._socketConnected) {
-      this._socketSend({
-        channel: '/meta/subscribe',
-        clientId: this._socketClientId,
-        id: this._socketMessageCount,
-        subscription: subscriptionString
-      })
+      const subscriptionStrings = subscriptionString.split(',')
+      if (subscriptionStrings.length > 1) {
+        subscriptionStrings.forEach((subString) => {
+          this._socketSend({
+            channel: '/meta/subscribe',
+            clientId: this._socketClientId,
+            id: this._socketMessageCount,
+            subscription: subString
+          })
+        })
+      } else {
+        this._socketSend({
+          channel: '/meta/subscribe',
+          clientId: this._socketClientId,
+          id: this._socketMessageCount,
+          subscription: subscriptionString
+        })
+      }
     }
   }
 
@@ -666,25 +678,42 @@ class Avanza extends EventEmitter {
       throw new Error('Expected to be authenticated before subscribing.')
     }
 
+    const subscriptionStrings = []
     if (Array.isArray(ids)) {
       if (
         channel === Avanza.ORDERS ||
         channel === Avanza.DEALS ||
         channel === Avanza.POSITIONS
       ) {
         ids = ids.join(',')
+        const subscriptionString = `/${channel}/${ids}`
+        subscriptionStrings.push(subscriptionString)
+      } else if (
+        channel === Avanza.QUOTES ||
+        channel === Avanza.TRADES
+      ) {
+        ids.forEach((id) => {
+          const subscriptionString = `/${channel}/${id}`
+          subscriptionStrings.push(subscriptionString)
+        })
       } else {
         throw new Error(`Channel ${channel} does not support multiple ids as input.`)
       }
+    } else {
+      const subscriptionString = `/${channel}/${ids}`
+      subscriptionStrings.push(subscriptionString)
     }
 
+    const _this = this;
+    subscriptionStrings.forEach((subscriptionString) => {
+      _this.on(subscriptionString, data => callback(data))
+    })
+
     if (!this._socket) {
       this._socketInit()
     }
 
-    const subscriptionString = `/${channel}/${ids}`
-    this.on(subscriptionString, data => callback(data))
-    this._socketSubscribe(subscriptionString)
+    this._socketSubscribe(subscriptionStrings)
   }
 
   /**