added tick to core

core.lua

@@ -114,9 +114,29 @@ function Core:download(file)
     return true, "Success"
 end
 
+function Core:tick()
+    if not self then
+        error("No instance!")
+    end
+
+    if not self.ws then
+        return false, "Not initilized"
+    end
+
+    self:send({type = "TICK"});
+
+    local success, data = self:read();
+
+    if not success then
+        return false, "Failed to do anything: "..data;
+    end
+
+    print("Server expects Action: "..textutils.serialiseJSON(data))
+end
+
 function Core:disconnect()
     if not self then
-        return "Not instance"
+        error("No instance!")
     end
 
     if not self.ws then