Added Unicode and emoji support

[gjvnq]

[coveralls]

Coverage increased (+0.2%) to 75.816% when pulling 73e5f591b991a1d370ed03ebf36379a52c721e61 on gjvnq:master into c8489ed3251e7d55ec2b7f18a2bc3a9a7222f0af on antchfx:master.

[zhengchun]

Hello, first thanks for your contribution, but your example //ul/li/@clášs日本語 is doesn't make sense. In mose cases, HTML, XML and JSON document supported english, number or under-line only. You should provides more example about why supports Unicode query. Thanks.

[gjvnq]

I had a project in which I needed to parse an XML format inteded for laws in Portuguese, so I would get things like:

<capítulo id="cap_Introdução" título="Introdução">

On Wed, 6 Mar 2019, 00:15 zhengchun, [email protected] wrote:

Hello, first thanks for your contribution, but your example //ul/li/@clášs日本語 is doesn't make sense. In mose cases, HTML, XML and JSON document supported english, number or under-line only. You should provides more example about why supports Unicode query. Thanks.

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[sosiska]

I need it to, because Federal Taxation Service of the Russian Federation uses Cyrillic characters in its xml files.