add support for variadic IN
update keyword handling to bypass escaping as described in #18
Merge branch 'feature-new-in-clause', 'fix-keyword-value', 'dev' into 2.0

Conflicts:
	test/qbits/hayt/core_test.clj
formating
update txt files
more details
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better handling or parameterized values in raw mode with :in
fix tests
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Merge branch '2.0'