fix bug with inline partials and Ractive.extend
fix bug with inline partials and Ractive.extend

Rich-Harris/ractive,p0lax/ractive,ndimas/ractive,magicdawn/ractive,JonDum/ractive,magicdawn/ractive,Rich-Harris/ractive,aliprogrammer69/ractive,JonDum/ractive,npmcomponent/RactiveJS-Ractive,ractivejs/ractive,cgvarela/ractive,ISNIT0/ractive,pingjiang/ractive,JonDum/ractive,cgvarela/ractive,p0lax/ractive,aliprogrammer69/ractive,ractivejs/ractive,cgvarela/ractive,dyx/ractive,marcalexiei/ractive,thomsbg/ractive,squaredup/ractive,ndimas/ractive,marcalexiei/ractive,dyx/ractive,heavyk/ractive,magicdawn/ractive,pingjiang/ractive,squaredup/ractive,ndimas/ractive,heavyk/ractive,npmcomponent/RactiveJS-Ractive,dyx/ractive,ractivejs/ractive,Rich-Harris/ractive,aliprogrammer69/ractive,heavyk/ractive,ISNIT0/ractive,ISNIT0/ractive,thomsbg/ractive,pingjiang/ractive,squaredup/ractive,thomsbg/ractive,marcalexiei/ractive