Update init function to use a switch operation

rm-code · web-flow · commit 5621cd615d3f · 2017-02-19T00:38:01.000+01:00
Closes #12
diff --git a/ScreenManager.lua b/ScreenManager.lua
@@ -142,7 +142,7 @@ function ScreenManager.init( nscreens, screen, ... )
 
     validateScreen( screen )
 
-    ScreenManager.push( screen, ... )
+    ScreenManager.switch( screen, ... )
     ScreenManager.performChanges()
 end
 
