Simplify recursive keys
Revert "Got to include <?php to trigger GitHub Markdown syntax highlighting."

This reverts commit 678926936ad49bc11f24e50d3a8e58219b897b1e.
Allow nesting array options
Add example of getTransactionList including use of request nodes
Add error check comment to README
Merge pull request #2 from ohmanger/master

Simplify multi-dimensional arrays