Fixed Thread Sleep and messageSize

Thread was sleeping "messageSizeInBytes" milliseconds, this is unnecessary and the variable use to determine the amount of sleep time was wrong.

The RunTest() method was starting up with message size fixed to 1000 instead of using the value in messageSizeInBytes.
Merge pull request #2 from njfsilva/patch-1

Fixed Thread Sleep and messageSize
Merge remote-tracking branch 'upstream/master'