4/1 new class added, Gladiator!

Content update new class: Gladiator! (restart Steam to update right away) -Replaced Gambler with new class: Gladiator -Gladiator has great base stats, is melee only, and starts with Quake, Iron Grip and Weapon Mastery -Gladiator can only use stat-based items without skills, and cannot use magical passives such as Frenzy or Chains of Ice -Increased Inner Fire (kick fireball) damage by 150% -Reduced durability use of Claws and Guillotine by 25% -Showing current difficulty and yellow essence on the character select screen -Fixed bug where unarmed bash did not trigger Quake (and some other Quake bugs) -Fixed bug where large charging enemies could move backwards and clip out of bounds -Fixed bug where maxing out two skills before getting to statue area would allow you to get +11 of a skill (with no effect) -Cleaned up maw of sin terrain to prevent going out of bounds -Added loading tip to clarify that picking a skill from the three statues guarantees future drops of that skill -Minor bug fixes