Fix static property access to not observe read only variables, fix #894
Fix static property access to not observe read only variables, fix #894

sergeyklay/zephir,aaam/zephir,phalcon/zephir,steffengy/zephir,patrick-zippenfenig/zephir,vpg/zephir,janusnic/zephir,dreamsxin/zephir,KorsaR-ZN/zephir,KorsaR-ZN/zephir,janusnic/zephir,carlmcdade/zephir,fezfez/zephir,janusnic/zephir,KorsaR-ZN/zephir,sjinks/zephir,patrick-zippenfenig/zephir,joeyhub/zephir,vpg/zephir,janusnic/zephir,vpg/zephir,aaam/zephir,phalcon/zephir,sergeyklay/zephir,fezfez/zephir,vpg/zephir,aaam/zephir,sergeyklay/zephir,steffengy/zephir,gsouf/zephir,sjinks/zephir,dreamsxin/zephir,zephir-lang/zephir,phalcon/zephir,aaam/zephir,sergeyklay/zephir,dreamsxin/zephir,sergeyklay/zephir,joeyhub/zephir,joeyhub/zephir,zephir-lang/zephir,KorsaR-ZN/zephir,sjinks/zephir,aaam/zephir,patrick-zippenfenig/zephir,joeyhub/zephir,KorsaR-ZN/zephir,patrick-zippenfenig/zephir,phalcon/zephir,janusnic/zephir,zephir-lang/zephir,gsouf/zephir,cesarmarinhorj/zephir,joeyhub/zephir,sjinks/zephir,fezfez/zephir,janusnic/zephir,steffengy/zephir,carlmcdade/zephir,vpg/zephir,cesarmarinhorj/zephir,gsouf/zephir,steffengy/zephir,dreamsxin/zephir,carlmcdade/zephir,gsouf/zephir,fezfez/zephir,phalcon/zephir,patrick-zippenfenig/zephir,sjinks/zephir,aaam/zephir,cesarmarinhorj/zephir,steffengy/zephir,sjinks/zephir,zephir-lang/zephir,cesarmarinhorj/zephir,gsouf/zephir,zephir-lang/zephir,sergeyklay/zephir,dreamsxin/zephir,gsouf/zephir,vpg/zephir,dreamsxin/zephir,fezfez/zephir,patrick-zippenfenig/zephir,carlmcdade/zephir,carlmcdade/zephir,joeyhub/zephir,fezfez/zephir,KorsaR-ZN/zephir,carlmcdade/zephir,phalcon/zephir,cesarmarinhorj/zephir,steffengy/zephir,cesarmarinhorj/zephir