safe: simplify Counter implementation
safe: simplify Counter implementation

RichardKnop/tsuru,gwmoura/tsuru,firebitsbr/tsuru,ggarnier/tsuru,RichardKnop/tsuru,tsuru/tsuru,cezarsa/tsuru,hugoantunes/tsuru,guilhermebr/tsuru,Endika/tsuru,cgvarela/tsuru,kgrvamsi/tsuru,RichardKnop/tsuru,cgvarela/tsuru,hcxiong/tsuru,jblancett/tsuru,gciotta/tsuru,gwmoura/tsuru,firebitsbr/tsuru,ArxdSilva/tsuru,tuxmonteiro/tsuru,cgvarela/tsuru,gwmoura/tsuru,ArxdSilva/tsuru,hcxiong/tsuru,Endika/tsuru,4eek/tsuru,ggarnier/tsuru,ggarnier/tsuru,tsuru/tsuru,guilhermebr/tsuru,tsuru/tsuru,ArxdSilva/tsuru,gciotta/tsuru,kgrvamsi/tsuru,4eek/tsuru,cezarsa/tsuru,jblancett/tsuru,Endika/tsuru,tsuru/tsuru,ggarnier/tsuru,mderaldo/tsuru,tuxmonteiro/tsuru,hcxiong/tsuru,guilhermebr/tsuru,mderaldo/tsuru,mderaldo/tsuru,kgrvamsi/tsuru,cezarsa/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,tuxmonteiro/tsuru,firebitsbr/tsuru,jblancett/tsuru,gciotta/tsuru,hugoantunes/tsuru,4eek/tsuru,cezarsa/tsuru