Added.
See description

- Added base methods for inbox
- Added base inbox window
- Tweaked some things

PLEASE NOTE THAT THIS IS A WIP, NONE OF THIS STUFF IS TESTED.
Added things, still doesn't work...
Okay I have no idea what the problem is. MessageCount seems to be 0, but there are email in the inbox.

I'll try to fix it later.
This should fix it.

at least I hope so ._.
Merge pull request #4 from Tijndagamer/WIP-Tijn

WIP-Tijn Merge Request