Merge pull request #414 from sahibjotsaggu/classDupBug

Fix: class duplication during initialization without GUI

Author: irskep

src/index.coffee

@@ -78,7 +78,8 @@ initWithoutGUI = (el, opts) ->
   if [' ', ' '].join(el.className).indexOf(' literally ') == -1
     el.className = el.className + ' literally'
 
-  el.className = el.className + ' toolbar-hidden'
+  if el.className.includes('toolbar-hidden') == false
+    el.className = el.className + ' toolbar-hidden'
 
   drawingViewElement = document.createElement('div')
   drawingViewElement.className = 'lc-drawing'