Add Mouse Click Detection (1st part)

First stages of click detection with test
Mouse Clicked

Added curly brace to fix error
Correct Mouse Clicks

Working version of Mouse Clicked commit
Mouse Clicks

Took out right click. Added player.LClick
Merge pull request #2 from Anja4/Kimberly's-Branch

Kimberly's branchfyuilguyfuyfuyvjh