!seppuku and !roulette points can be negated

Expected behavior

Actual behavior

When user use !seppuku, and points remove setted to something instead of 0, then users points can be negated.
I.e user have 50 points, seppuku lose setted to 100, and when he will lose him points will be -50.

Steps to reproduce

Additional informations

Master

!seppuku command doesn’t have points removal.

I meant !gamble