Enemy Spawns Moderated, Plus Other Fixes — 4 for the Money Demo Steam update #936841

A significant patch to tidy up some things and moderate difficulty. +Increased enemy spawn times by (generally) 25%. +Limited the number of enemies a spawner can create, avoiding enemy mobs. +Shooting grenades no longer causes them to explode. +Fixed a bug where players could not unlock new single-player levels when playing with invincibility turned on. +Minimum difficulty level on single player is now 1 instead of 0. +Fixed a bug where single-player difficulty settings were bumped up after the first time playing the game if players had not manually set them. +Multiplayer settings default to the easy ("Thug") settings to simplify for new players. +Added a reference color wheel when the game is paused. +Fixed a bug with loading custom difficulty settings to prevent score miscalculation on Checkpoint Frequency and Number of Lives. +Fixed a bug where players would see characters stutter bet...