0.5.4 has been released!

Features:

* Added SetBrightnessScale input to env_projected_texture * Added SetFallDamageEnabled input to logic_player_proxy * Improved prop_sphere * Unhidden Hammer Logical View

Fixes:

* Fixed carried objects jittering during demo playback * Fixed co-op crashes * Fixed faster movement and acceleration * Fixed portal gun holding sounds stopping unexpectedly * Fixed tractor beam end particles being incorrectly coloured * Fixed trigger_teleport breaking player hitboxes * Fixed translucent entity texture render order in Hammer * Fixed laser models being coloured when using default colour * Fixed water overlay appearing on respawn * Fixed not being able to load into maps in tools mode