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// import_json_appsscript.js
// https://gist.github.com/allenyllee/c764c86ed722417948fc256b7a5077c4
//
// Changelog:
// (Oct. 16 2019) tag: allenyllee-20191016
// 1. Fixed google script error: urlfetchapp - service invoked too many times https://stackoverflow.com/questions/10598179/google-apps-script-urlfetchapp-service-invoked-too-many-times
// (Jul. 16 2018) tag: allenyllee-20180716
// 1. Fixed the issue "If you try to query /arrayA[k]/arrayB[n]/arrayC[m]/.../member, you will always get /arrayA[k]/arrayB[k]/arrayC[k]/.../member."
// (Nov. 30 2017) tag: allenyllee-20171130
// 1. Add the ability to query array elements by using xpath like "/array[n]/member" where "n" is array index