Update version d_1.2

Main update:

• Level 3 added

Fight logic:

• When player characters or enemies are hit there is a Bright Yellow sprite flash effect as indication of a hit
• Enemies are now  immune to player's attacks during their attack state
• Enemy immunity is indicated by Bright Red sprite flash
• Enemy immunity end is indicated by Bright Green sprite flash

Player characters mechanics changes:

• Slower movement
• Better control
• Princess and Hero controllable characters ability differences are more pronounced now
• Princess health maximum value is now reduced

Enemies:

• Enemy characteristics and AI logic tweaks
• New enemies added
• New traps added

Other:

• Interactive objects added (elevators, platforms)
• New sounds

Graphics:

• New graphics for Level 3 environment, animated objects and enemies
• New UI elements and icons