Fix gauge schema to allow precision=0
Fix gauge schema to allow precision=0

jmptrader/promdash,lborguetti/promdash,juliusv/promdash,jonnenauha/promdash,jonnenauha/promdash,prometheus/promdash,alonpeer/promdash,thooams/promdash,prometheus/promdash,alonpeer/promdash,prometheus/promdash,jmptrader/promdash,jmptrader/promdash,jmptrader/promdash,thooams/promdash,juliusv/promdash,thooams/promdash,juliusv/promdash,prometheus/promdash,alonpeer/promdash,lborguetti/promdash,lborguetti/promdash,alonpeer/promdash,lborguetti/promdash,jonnenauha/promdash,juliusv/promdash,jonnenauha/promdash,thooams/promdash