[cypher/*] Update cypher for camelCase vs PascalCase usage

[encX]

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[vendethiel]

Sorry for the delay, looks good.

[mribeirodantas]

There are conflicts here. Could you please resolve them, @encX ?

[verhovsky]

I don't agree with this PR. CamelCase can also be considered camel case. It's less common for people to know what Pascal is or its casing rules. The UPPER_SNAKE_CASE makes sense though.