5.1 is out!

Check it out here!: Link

Changelog:

*ADDED
-Water refract (implemented by Werrus)
-Water caustics (implemented by Werrus)
-More layers of clouds
-Blinn_Phong sun refraction
-More offsets to bloom
-Fog to water
-Ambient color to clouds
-Clouds sunposition brightness
-SkyGradient
-Color boost to sky
-More fogcolors
-Rain reflections
-A new type of specular mapping
-Skycolor adds to sunlight color
-SSAO
-New wave animations
-Lava waves
-Lilypad waves

*CHANGED
-Sunlight color
-Godrays color
-Water color
-Water opacity
-Tonemap curve
-Color correction
-Overal brightness
-Sky color
-Minecraft lightmap
-Cloud color
-Improved Rain reflections
-Improved some variables
-Improved water waving animations
-Reflection algorithm
-Reflection strength
-Fog amount
-Torch color
-Skycolor
-Fog opacity
-Underwater color

*REMOVED
-A lot of not-used code
-Some color codes
-Some parts of the color correction

*FIXED
-Sun goes trough distand blocks
-Hand is no longer blury
-There are no longer weird black dots on dark objects