fix tag searching and fix person.peg
Merge branch 'master' of github.com:tetsurom/pegquery
support sharp less tag
load query script
support 'from' without 'where'
clean up visitor
Merge branch 'master' into queryfix
add string literal support
Merge branch 'queryfix' of github.com:tetsurom/pegquery into queryfix
add path
support indexList, range, xpath style path