Squashed Commit from parallel-wget of:
b31e6e4 Add support for HTTPS Servers
b828a6e Sleep for n seconds before calling Wget Executable
7effa90 Support programatically setting Handler class variables
7e1f4c1 Correct the call to stop_HTTP_Server
f616192 Improve error handling when wget executable isn't available
31868fe Split large function to improve readability and extensibility
