Starting with version 2.0, Twitter Tools comes with it's own plugin to allow this. As such, my plugin will now give way to if the other plugin is activated.
Version 1.1.1
Display an error message to the user if they don't meet the minimum PHP and WordPress version requirements.
Version 1.1.0
Apparently you need history=1 in the API call in order for it to show up in your history. That was my problem.
Minor settings page improvements.
Version 1.0.1
Fix a stupid mistake on my part that completely broke the plugin.