0.5.104

[p]Campaign curve rebuilt. Stages 1-4 are now tutorials.[/p][p]Gold costs retuned across systems, with much better early gear drops.[/p][p]HP,regen,and flat-damage affixes buffed (new drops only).[/p][p]Newly unlocked buildings now start with free upgrade levels.[/p][p]Beat Boss 2 for the 4th building slot, Boss 5 for the 2nd weapon slot.[/p][p]Many other tuning and polish updates.[/p]