update pjson to include sync exec
update pjson to include sync exec

kurttheviking/git-rev-sync,rkr-io/git-rev-sync,reker-/git-rev-sync,kurttheviking/git-rev-sync-js,floatingLomas/git-rev-sync,hongkongkiwi/git-rev-sync,a-tarasyuk/git-rev-sync