Add methods in FormulaCop to find method nodes, dependency nodes
Add methods in FormulaCop to find method nodes, dependency nodes

claui/brew,vitorgalvao/brew,mgrimes/brew,palxex/brew,DomT4/brew,mgrimes/brew,konqui/brew,JCount/brew,amar-laksh/brew_sudo,vitorgalvao/brew,mahori/brew,reitermarkus/brew,muellermartin/dist,pseudocody/brew,konqui/brew,sjackman/homebrew,Homebrew/brew,zmwangx/brew,DomT4/brew,zmwangx/brew,alyssais/brew,muellermartin/dist,bfontaine/brew,mgrimes/brew,jmsundar/brew,sjackman/homebrew,aw1621107/brew,Linuxbrew/brew,Homebrew/brew,Linuxbrew/brew,alyssais/brew,reelsense/brew,Linuxbrew/brew,DomT4/brew,ilovezfs/brew,reelsense/brew,JCount/brew,amar-laksh/brew_sudo,MikeMcQuaid/brew,maxim-belkin/brew,nandub/brew,maxim-belkin/brew,pseudocody/brew,MikeMcQuaid/brew,ilovezfs/brew,EricFromCanada/brew,MikeMcQuaid/brew,mahori/brew,maxim-belkin/brew,reitermarkus/brew,nandub/brew,claui/brew,JCount/brew,reelsense/brew,gregory-nisbet/brew,JCount/brew,alyssais/brew,EricFromCanada/brew,bfontaine/brew,DomT4/brew,EricFromCanada/brew,EricFromCanada/brew,konqui/brew,zmwangx/brew,ilovezfs/brew,aw1621107/brew,jmsundar/brew,MikeMcQuaid/brew,sjackman/homebrew,gregory-nisbet/brew,gregory-nisbet/brew,hanxue/linuxbrew,konqui/brew,reitermarkus/brew,Homebrew/brew,reitermarkus/brew,aw1621107/brew,jmsundar/brew,amar-laksh/brew_sudo,palxex/brew,claui/brew,claui/brew,pseudocody/brew,hanxue/linuxbrew,nandub/brew,hanxue/linuxbrew,Linuxbrew/brew,Homebrew/brew,bfontaine/brew,palxex/brew,vitorgalvao/brew,mahori/brew,nandub/brew,mahori/brew,vitorgalvao/brew,muellermartin/dist,sjackman/homebrew