v0.3.3

Updates:

• Added asteroids that will damage your ship.
• Added sound effect for the collision interaction.
• Added events for 'out of fuel' and 'hull damage'.  Events will currently bring you back to Station Androma and give your ship the corresponding lacking value. There's is only one event for each so far.
• Updated crystal spawning so that crystals don't only spawn at a straight or 45 degree angles. Asteroids also spawn in this revised format, now that the spawning has been refactored to be reusable.  
• Hooked up the code to repair your ship at the port.

Thoughts/Observations:

• Fuel and Hull Events will cost credits eventually, which can be payable at a port. Once this goes into effect, upgrades will be disabled until the bill gets paid.
• Fuel and Hull Events will eventually send you to the nearest port (not always Station Androma).