Add column number to Sentry payload (#235)

Author: Ngo The Trung

lib/utils.js

@@ -160,6 +160,7 @@ function parseStack(err, cb) {
     var frame = {
           filename: line.getFileName() || '',
           lineno: line.getLineNumber(),
+          colno: line.getColumnNumber(),
           'function': getFunction(line),
         },
         isInternal = line.isNative() || frame.filename[0] !== '/' && frame.filename[0] !== '.';