Changing 15 significant digits to 17 #413
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The pull request is related to this 2 issues:
In the nutshell, it is increasing number of significant decimal digits while serializing double numbers to string from 15 to 17 as accordingly to Standard for Floating-Point Arithmetic (IEEE754) if a double-precision number converted to string with 17 significant digits and then converted back to double-precision representation, the final result must match the original number.