Added SendEmail() and some extra stuff

- In class C_Util, added SendEmail() method
- Added some comments
- Tweaked some things
Added SpamEmail() & SendEmailPrep() method
The C-Util.cs in the WIP branch is now tested and all the errors are fixed.
Merge pull request #1 from Tijndagamer/WIP

WIP is ready to be merged with master branch.