store maximum bytes value into a constant variable

lib/loggly/client.js

@@ -5,7 +5,10 @@
  * MIT LICENSE
  *
  */
-
+//
+// Setting constant value of EVENT_SIZE variable
+//
+var EVENT_SIZE = 1000 * 1000;
 var events = require('events'),
     util = require('util'),
     qs = require('querystring'),
@@ -26,7 +29,7 @@ function stringify(msg) {
 // function to truncate message over 1 MB
 // 
 function truncateLargeMessage(message) {  
-  var MaximumBytesAllowedToLoggly = 1000 * 1000;
+  var maximumBytesAllowedToLoggly = EVENT_SIZE;
   var bytesLengthOfLogMessage = Buffer.byteLength(message); 
   if(bytesLengthOfLogMessage > MaximumBytesAllowedToLoggly) {
     message = message.slice(0, MaximumBytesAllowedToLoggly);