0.38.0

• Fix keylists / keypaths to handle non-string dict keys holding lists. (by @Sanjays2402 in #583)
• Fix match to anchor string patterns and consume the full keypath. (by @gaoflow in #579)
• Fix query-string serializer to accept array/bracketed keys and trailing &. (#586)
• Reject empty keypath_separator. (by @CodingFeng101 in #580)
• Fix int parsing to catch OverflowError. #578 (#584)
• Bump requirements and pre-commit hooks.