Issue #915 - Remove duplicate object property.
Fix "Query options"

Fix a code example in the section "Query options"
fix typo 'has' -> 'hash'
fix list indentation
Merge pull request #922 from jimt/patch-1

fix typo 'has' -> 'hash'
Merge pull request #923 from jimt/patch-2

fix list indentation
Merge pull request #919 from pvorb/patch-2

Fix "Query options"
Merge pull request #916 from nuisanceofcats/master

Remove duplicate property definition, also allows code to be used in strict mode.