10/27/2020
	- Removed exttype from telephonecall

3/29/2019
	- Made API call use HTTPS

4/21/2016
	- Removed delay option
	- Updated telephone status codes
	- Updated telephone cleansed codes
	- Fixed some include path issues

7/12/2015
	- Removed redial option

2/2/2015
	- Added "400: (High) Fraud" telephone type
	- Made _callAPI protected so class can be extended
	- Removed closing PHP tag

6/18/2011
	- Output was being sent to the screen before trying to redirect on some example files.
	- The error on the telephonecode.php was dying before printing the closing HTML tags.