v0.59.0

Gameplay [list][*] Zealot: Decrease time needed for full overseer health regeneration (12s -> 10.5s)[/list] Bots [list][*] Adjust difficulty progression of bot levels[list][*] Reduce difficulty of lower bot levels[*] Enable techniques at lower bot levels (all techniques now enabled at bot level 4, previously level 8)[*] Remove bot level 10[/list][/list] Misc [list][*] Add numbers to bot names in order to make them distinguishable[*] Use proper units in the presentation of overseer class stats[/list]