v0.1.2: Bugfixes for v0.1.0 part 2

Don't let players be killed with their own bullets
Players 100% reappear instantly after death

Tracked in https://github.com/LoungeCPP/Tatsoryk/issues/57, fixed in
https://github.com/LoungeCPP/Tatsoryk/pull/60
Side-tracked in https://github.com/LoungeCPP/Tatsoryk/issues/58

v0.1.1: Bugfixes for v0.1.0 part 1

Bullets will now 100% not penetrate

Tracked in https://github.com/LoungeCPP/Tatsoryk/issues/56, fixed in
https://github.com/LoungeCPP/Tatsoryk/pull/59

v0.1.0: MVP, minimal thing that allows people to connect and pew pew each other.

Includes the bare minimum of the code required to run the game fairly
well, that is, everything under
https://github.com/LoungeCPP/Tatsoryk/issues?q=milestone%3AMVP