Fixed validateByteRange parsing method #2017
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There is a bug in @validateByRange operator parsing: if the argument is something like this: "32,34,38,42-59,61,65-90,95,97-122" (see https://github.com/SpiderLabs/owasp-modsecurity-crs/blob/ab24a20faf28156f0495b0c07f2ff37860a3defe/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf#L1476-L1493 rule), then the 3rd block will evaluated as "38,42-59", not "38" and "42-59".
Also the test file for regression test had been added.