Issue #1 JsonResponse can now properly parse control characters

[carlosmiranda]

As per RFC 4627 control characters U+0000 to U+001F should be escaped. I created a custom function that does exactly that and used it before invoking createReader.

[yegor256]

I think it should be a static private field, for the sake of performance

[yegor256]

@carlosmiranda one minor comment, see above

[carlosmiranda]

@yegor256 Your comment has been addressed, kindly have another look. :)

[yegor256]

good to merge

[ghost]

Hey, let me try to merge your branch 1 from carlosmiranda/jcabi-http into branch master of jcabi/jcabi-http. If there won't be any merge conflicts, I'll try to build it. If it builds without errors, I will merge this pull request. I will let you know in any case, in a few...

[ghost]

I've merged your branch 1 into master of jcabi/jcabi-http without any merge conflicts. Then, I've built the code and found no problems. Thus, this pull request is accepted and will be merged in a few seconds.

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[dmarkov]

@yegor256 please review this pull request, taking into account these rules

[dmarkov]

@yegor256 There is 15 mins budget allocated for the review

[dmarkov]

@yegor256 I just added 18 mins to your account, many thanks for your contribution..