request response payload doesn't include a body attribute

[louischausse-auxilio]

let dedupePropValue = contactResult.body.properties[DEDUPE_PROPERTY];

should be

let dedupePropValue = contactResult.properties[DEDUPE_PROPERTY];

---

let idsToMerge = searchResults.body.results

should be

let idsToMerge = searchResults.results

[louischausse-auxilio]

This pull request fixes the problem : #30