Use JSON.parse instead of safeEval

[Adam-Clrk]

use of safeEval is considered a vulnerability

https://nodesecurity.io/advisories/337

[codecov-io]

Codecov Report

Merging #71 into master will decrease coverage by 0.11%. The diff coverage is 100%.

@@            Coverage Diff            @@
##           master     #71      +/-   ##
=========================================
- Coverage   92.42%   92.3%   -0.12%     
=========================================
  Files           2       2              
  Lines          66      65       -1     
=========================================
- Hits           61      60       -1     
  Misses          5       5

Impacted Files	Coverage Δ
index.js	90% <100%> (-0.2%)	:arrow_down:

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[coveralls]

Coverage increased (+1.4%) to 92.308% when pulling fd2d32203e7a8d8b35a04a382b2b274603cdce40 on Adam-Clrk:master into 777d7db94f82ec402e7758af1549818c07d55747 on matheuss:master.

[vitalets]

Maybe someone should create a fork of this and keep it updated ?

Done in https://github.com/vitalets/google-translate-api/pull/2.