I made some quality of life improvements to the game:

• Extra life pickups will now refill your health to the top alongside getting an extra life, obviously.
• Fixed a cheap exploit where players can easily avoid the rock golem boss from stage V's rocks during his third throwing phase by going all the way to the edge of the screen on the left. Therefore I moved the barrier a little to the right where now you are tasked to dodge the rocks as intended.
• Made some minor modifications, and some final boss improvements.