new stuff:

• new enemy - railer - beware of huge beams
• new module - scrap recycler - 1/2 chance to regain health based on rank
• game progress HUD - displays waves, kills and time until next enemy spawn
• new track - whne you're halfway there

1.31:

• wave editing now supports group size and time interval until next spawn

1.32:

• binis waves binis waves

changes:

• drill now displays its health
• package breaking sound
• bigger radar range