Added reporting mechanism with GOB and JSON formats.

Improvements:

1. Added reporting mechanisms with GOB and JSON.
2. Improved collection and handling of URLs.
3. Small bug fixes.

v.1.1 with improved redirection handling and concurrency control.

This release adds the following.

• Improved redirection handling.
• Control the maximum number of concurrent goroutines.
• Improved memory usage.

v1.0

Ending condition added.