Version 3.0 Pre-Alpha Major Commit 3

Changelog:
* MAJOR: Added Conversation Randomizer!
* Added a "Guess My Number Conversation (ID 1)
* Added a "Goodbye" Conversation. This runs when Sarah runs out of conversations.
* Added some user variables for conversation randomness.
* Bugfixes, possibly bugs added.
* Space Beer. Because Space Coffee wasn't enough!