0.0.3

this one's a big one ~ kinda?
I'm planning on adding enemies and improving the weapon mechanics
also going to add enemies that drop resources and stuff like that
once the game's at a later stage I'll also add a tutorial
and also more functionality for the factory/pipes

updates:

• theme in main menu
• pipe mechanics
• added factory object/item
• added drill object/item
• added pipe object/item
  • when placing:
  • rotate with r
  • switch type with t
• fixed bugs with:
  • cactus sprites
  • placement overlap detection
  • day counter
  • player status loading