Updated to use sax-machine 0.2.1
Revert "Updated to use sax-machine 0.2.1"

This reverts commit c72b5862c4338cd1bb4506f1c786a9403a8e59e2.
Revert "Using sax-parser for text_info."

This reverts commit 20c263348edccea66939f166edef5d10b4be85b1.